Deck Post Caps

Black

The Balmoral Post Cuff adds an elegant finishing touch to your mailbox post.

I bought this to pair with the Whitehall mailbox I purchased on Wayfair and Im so glad I did it adds a lot and just finishes the look of the mailbox. Karley. Brookfield, WI. Fri Jul 05 2024

Bronze

Decorative & Protective Base: The Cascade Mailbox Cuff serves as both a visually appealing accent and a protective base for Whitehall mailbox posts.

A mush have finish to your mailbox. It’s elegant and hides the base.. Kai. Ohio. Fri Jun 12 2026

【Fence Post Base Protector】This post protector can provide all-round protection for the bottom of the post for Mailbox, Fence, Swing Set, Deck Railing, Wooden Hut and other wood posts. Water and rust proof. The shipping box measures 4.7 inches in width, 2.76 inches in depth, 3.35 inches in height with a gross weight of 0.9 pounds. 【Weed Eater Proof】The mailbox post guard will protect your 3 1/2 X 3 1/2", 4 X 4", 5 X 5" post from the weed eater. In addition, the stainless guard looks upscale and professional. 【Adjustable, Fits 3.5 - 5 " Posts】Overall dimensions are 3.5 to 5 inches adjustable in width, 3.5 to 5 inches adjustable in depth and 3 inches in height. 【Stainless Steel Material】This post guard is made of 18GA (1.2mm）304 stainless steel. Hardware included (8 screws). Screws are not stainless. 【Assembly Video】Video Instructions link: https://youtu.be/MAWDNW5Gs-E. You can also search "10171 sign post guard fence malebox 3x3 3 5x3 5 4x4 5x5 4 5x4 5 fixturedisplays" on youtube to locate the video. You can also download video by following this link: https://www.fixturedisplays.com/video/10171.AVI

This 4x4 post bracket is made of heavy-duty metal with a high-temperature spraying finish on the surface, providing excellent support and stability. With a thickness of 14 gauge (2mm), it is suitable for 4 x 4 post anchor connectors; the increased profile thickness improves load-bearing performance for greater stability. Crafted from high-quality metal, the pergola kit has a strong load-bearing capacity, as well as rust and corrosion resistance, and can be used indoors and outdoors for a long time. Installation is easy: simply cut the beams to the required length, mark the desired position, drill holes in the wooden beams, then assemble and lock the nuts. Perfect for repairing and reinforcing joints, post-to-beam connections and more, these 4x4 post base bracket connectors provide strong support and are widely used in pergolas, log cabins, truss frames and other indoor and outdoor applications.

This post base is made of carbon steel with a black powder-coated finish, featuring rust resistance and sturdiness for long-term stable use. Each individual post base measures 5.4x5.4x5.5 inches with a thickness of 2.5mm, and one set contains 8 pieces. Designed as an adjustable half-column base, it can adapt to different sizes of wooden columns such as 6"x6" and 8"x8", and can be used singly or in multiples to meet various installation needs. The post base is suitable for both concrete and wooden floor installations, providing secure support for pergolas, porch railings, columns and other structures, and is applicable to a variety of construction scenarios. The package comes with complete accessories, including 8 wood fence bases, 48 flat head screws, 32 deck screws and 32 expansion screws. With these accessories, wooden posts can be firmly fastened to enhance installation security.

I love it!. Mark. Kalamazoo, MI. Tue Jun 09 2026

French Bronze

If you are looking to add a personal touch to your Whitehall mailbox post, this is the item for you.

Anonymous. Illinois. Sun Jul 08 2012

White

Thoughtfully designed to enhance your Mayne mail post, the Solar Cap brings subtle illumination and refined detail to your outdoor space. Its low-profile silhouette and clean lines reflect a commitment to timeless design, while solar-powered functionality offers energy-efficient, dusk-to-dawn performance. Featuring a long-lasting LED bulb and a rechargeable AA battery, it delivers reliable lighting without the need for wiring. Compatible with the Newport, Westbrook, Dover, Signature, and Rockport mail posts, it’s a simple yet purposeful addition that adds warmth, visibility, and lasting curb appeal.

Love the post cap light. I just wish it was a little brighter. But it fits just right on my mailbox!. Quiana. Beaver, PA. Wed Jun 26 2019

【Post Base: Elevating Safety and Style in Every Step!】Made from sturdy carbon steel, these connectors are durable and rust-resistant. They offer stable support and can be easily installed on both concrete and wooden floors, making them versatile for fixed installations in structures like pergolas and porch railings.

Very nice finished look. Very easy to install and well worth the money. Burt. Vacaville, CA. Wed Apr 29 2026

5 PCS Deck Post BaseOur post base skirt, made of high-hardness steel, features powder coating which can keep it away from rust. Thus, it can last a long time in a harsh environment. Its superior performance determines that we can use it in multiple conditions, including deck brackets, porch railings, stair handrails, mailbox posts, etc.

Recommend different screws as those did rust but other than that it was a great value. I am happy with the product.. Anonymous. Mon Jul 29 2024

These adjustable deck post anchor base brackets measure 1.37in x 1.51in x 5in, with an overall thickness of 2.8 mm and a bottom thickness of 2 mm. They are designed with two types of pre-drilled mounting holes (3 pcs of φ0.25in holes and 2 pcs of φ0.3in holes), accommodating different sizes of wooden columns including 1.5"x1.5", 2"x2", 2"x4" and 4"x4" posts. Please check your required size carefully before purchasing. Made of solid steel, the brackets are paired with painted stainless steel screws; both the brackets and screws are coated with black powder for rust resistance and aesthetic consistency. The package includes 4 PCS (2 pairs) of black post base guards, 12 PCS of short screws, 8 PCS of long screws and 8 PCS of expansion screws, with no need for additional purchases. Featuring multiple pre-drilled holes, the brackets can be firmly fixed on wood posts, decks and concrete ground with the included expansion screws for easy installation. Ideal for reinforcing new post-base connections, they are widely applied to deck supports, porch railings, handrails, post holders, braced carports, patio covers, mailboxes, fences and other structures.

This adjustable post bracket can be fixed on a 4×4 nominal size post (actual size 3.5×3.5 inches) on one side, while the other side can be flexibly adjusted according to the actual size of the wooden post. The adjustable design meets specific installation needs and is compatible with other sizes of wooden posts such as 4×6 inches. Made of solid steel, the post anchor is strong enough to support, protect and decorate the base of the post. With a black powder coating on the surface, it is durable and rust-proof, ensuring long-term use in all kinds of outdoor weather conditions. Thanks to its adjustable design, the pergola bracket is suitable for a wide range of scenarios, ideal for deck supports, porch railings, handrails and column brackets. In addition, it can also serve as a support bracket for table legs or mailbox columns. Each 4×4 bracket is designed with four holes on the body and two holes on the bottom, and comes with 6 pcs of M6 x 30mm wood screws for firm fixation on wooden floors.

Post Base: Elevating Safety and Style in Every Step:Made from sturdy carbon steel, these connectors are durable and rust-resistant. They offer stable support and can be easily installed on both concrete and wooden floors, making them versatile for fixed installations in structures like pergolas and porch railings.

Thanks your item and delivery. Cong. Sun Sep 28 2025

This Post Caps Tie Bracket is made of high-quality carbon steel with a black powder coating, featuring heavy-duty performance and rust resistance to ensure reliable support in most weather conditions. It measures 4in x 3.66in x 6.4in with a thickness of 2mm and is designed with 12 pre-drilled holes of φ5mm. The 4''x4'' Joist Hanger Brackets are easy to install thanks to the pre-drilled holes, and suitable for mounting wood beams with an actual width of 3.5'', such as nominal 4x4'' (actual 3.5x3.5'') and 4x6'' (actual 3.5x5.5'') beams. Ideal for supporting, repairing and reinforcing joints and beams, this 2x4 Joist Anchor Connector bracket can effectively secure joists and rafters. It is widely used in wooden structures, sheds, patios and other construction projects. The package includes 4 packs of 4x4 caps tie brackets and 48 screws.

Decorative Y support bracket used to mount a standard rural mailbox to post. This bracket comes with all the necessary hardware needed for mounting to the post, and the dimensions are as follows: BRK Y dimensions: 11.63″ x 7.75″ x 4.75″ BRK Y weight: 1.5 lbs.

Matched perfectly for what we needed!. Jen. Sun May 31 2026

Post Base: Enhancing Safety and Elegance with Every Step：Crafted from resilient carbon steel, these connectors exhibit exceptional durability and resistance to rust. They provide steadfast stability and can be effortlessly mounted on various surfaces, including concrete and wooden floors. This versatility makes them ideal for secure installations in structures such as pergolas and porch railings.

Heavy duty. Worked great on our deck.. Melissa. Mandan, ND. Mon Jun 15 2026

This 4x4 post base is made of solid steel with a black powder-coated finish for durability and rust resistance. It supports decks, pergolas, fences, gazebos, and mailbox posts. The raised bottom keeps wood off the ground to prevent moisture damage, and the center section adds stability. Hardware for installation is included.

This 6x6 post base bracket is made of 2mm thick Q235B steel with black powder coating for outdoor use. Dimensions: 8" length × 5.8" width × 5.9" height, with an inner size of 5.6" × 5.6". The raised bottom separates the wooden post from the ground. Includes screws, bolts, and a wrench for installation on wood or concrete. Suitable for decks, porches, fences, pergolas, and mailbox posts.

This post base protector is designed for 3.5" to 4" wood posts, and can be used to install wooden posts on wood or concrete floors to protect the bottom of wood posts or railings. The connector features a multi-hole design: five holes drilled in the center enhance post stability, while four surrounding holes are designed to fix the wood post to the ground. Installation is hassle-free, with self-tapping wood screws and T30 drill bits included in the package; for detailed steps, please refer to the installation diagram or video. For concrete floors, M8 expansion screws are recommended. Made of 45 steel (1045) with a black powder-coated finish, the connector offers rust resistance, corrosion resistance and UV protection. It is not easy to fade and suitable for both indoor and outdoor use. Compatible with wood railing systems, it can be combined with various specifications of aluminum balusters, post caps, deck railing brackets and other accessories to build a complete railing frame.

Check the size carefully before purchasing—this post base is only suitable for dry, unswollen wood posts with a size ≤ 3.58in for a tight fit. DO NOT use it on posts swollen due to rain, humidity or high temperatures, as the posts may be too large to fit. Depending on the post base type and minor dimensional errors, grinding or dressing may be required. Always confirm the wood post size before purchase. Made of 2mm thick premium solid anti-deformation carbon steel with a black powder coating, this 4x4 post anchor kit is resistant to corrosion, rust and abrasion. It ensures long-lasting use, reduces maintenance costs, provides reliable support, and remains intact in storms, rain, snow and other harsh weather conditions. Ideal for small base areas, it is widely used in deck construction and fence building, compatible with 4x4 metal, plastic and wood posts, and can be painted in your desired color. The post base can be installed on concrete and wooden floors, serving as a perfect decoration for doorways, gardens, courtyards, porches, etc. It offers strong support and timber protection for porch railings, decking handrails, fences, pergolas, benches, signs, columns and mailbox posts. Featuring a fully hollowed structure, the post bracket ensures full ground contact for stable support and effective water drainage, preventing long-term wood rot. The enlarged 6x6in base enhances stability further. With its sleek black finish and curved design, it has a more decorative and textured appearance than standard post bases. Installation is easy and maintenance is low: each 4x4 anchor post base has four bottom holes and eight top holes for stronger fixation. Simply tighten the self-tapping screws to install it on wooden decks. For concrete or other hard surfaces, drill holes in the ground, tap in expansion bolts, then install the self-tapping screws. Designed for 3.5x3.5in wooden posts, the base has a 6x6in bottom outer size and 2.62-inch height for stable, wobble-free support. The package includes a complete set of accessories for immediate use.

This post anchor is made of 14-gauge high-strength steel with a black powder-coated finish, which can effectively prevent cracking, peeling and rusting for long-lasting durability. Installation is easy: place the steel nails inside before the concrete solidifies and let them cure in the sun for permanent fixation. Then insert 3.5 x 3.5 inch wooden posts and secure them by installing screws through 10 pre-drilled holes (screws not included). Featuring a U-shaped design, it separates wooden posts from damp concrete to reduce the risk of wood damage, making fence posts more stable and extending their service life. Suitable for 3.5 x 3.5 inch wooden posts, it is widely applied to porch railings, post holders, mailbox supports and other scenarios. The package includes 4 individual post holder deck brackets, with wooden posts and mounting screws not included.

This T-shaped post-to-beam connector is made of heavy-duty steel for superior strength and durability. Featuring an adjustable post cap, the bracket can accommodate nominal 6 x 6 inch (actual 5.5"x5.5") posts, providing great versatility in installation. Designed to function as a timber joist anchor connector, it offers reliable support for roof trusses and headers. Suitable for various construction projects such as decks, pergolas and outdoor structures, these connectors ensure a secure connection between posts and beams. The set includes 2 pairs (4 pieces) of connectors, which can fully meet the needs of your project.

11.63" H x 7.75" W x 4.75" D

Decorative Y support bracket used to mount a standard rural mailbox to post. This bracket comes with all the necessary hardware needed for mounting to the post, and the dimensions are as follows: BRK Y dimensions: 11.63″ x 7.75″ x 4.75″ BRK Y weight: 1.5 lbs.

It works perfect for our mailbox at a good price. Katiria. Clermont, FL. Sun Jun 14 2026

Post Base: Elevating Safety and Style in Every Step:Made from sturdy carbon steel, these connectors are durable and rust-resistant. They offer stable support and can be easily installed on both concrete and wooden floors, making them versatile for fixed installations in structures like pergolas and porch railings.

White

If you are looking to add a personal touch to your Whitehall mailbox post, this is the item for you.

Highest quality. Paint matches bronze mailbox, newspaper holder.. Thomas. Grand Rapids, MI. Sat Oct 14 2023

This 4 pack 4x4 post base set includes powder-coated steel brackets with screws. Each bracket measures 6"x3.6" (outer), 3.6"x3.6" (inner), and 2.5" high. Made of steel to support wooden posts and resist corrosion. Can be used for decks, porches, railings, fences, and mailbox posts.

Our fence post base is not only strong and durable, but it also fits nicely into your gate base to ensure a secure fit. This well-designed connection showcases both superior engineering aesthetics and a dedication to excellence in detail, adding a look of security and elegance to your home.

Post Base: Elevating Safety and Style in Every Step:Made of robust carbon steel material, this product is durable, rust-resistant, and wear-resistant, providing stable support. With a wide range of accessories, it can be easily installed on various types of surfaces.

Ok. Maria. Los Angeles, CA. Fri Aug 22 2025

This 10-pack 4x4 post base attaches wood posts to concrete for stable support. The galvanized finish helps prevent rust, and the 1" standoff separates posts from the concrete. Adjustable slots allow precise leveling, making installation straightforward for decks, pergolas, fences, and porches.

This 4x4 post base is made from high-quality steel with advanced rust-resistant processes. Its black baked enamel finish ensures long-lasting rust protection while adding an elegant touch, making it a reliable solution for all your 4x4 post anchoring needs. Designed for standard 4"x4" wood posts, it features an inner diameter of 3 5/8"x3 5/8" for a snug fit. The minor 1/16-inch gap does not affect performance, making it ideal for applications such as deck railings and pergolas. The package comes with upgraded accessories, including 40 metal expansion pipes, 40 φ4.76mm and 80 φ6.35mm high-strength galvanized self-tapping screws. These enhanced components provide excellent grip and stability in both soil and concrete, eliminating the need for additional purchases. With pre-drilled holes on both the bottom and top, the 4x4 post base is easy to assemble—simply fasten the screws for a quick and hassle-free installation. It boasts versatile applications, serving as post support brackets, porch railing supports, fence post bases and handrail supports, and is perfect for homes, gardens, farms and more to meet a wide range of project needs.

Post Base: Elevating Safety and Style in Every Step:Made from sturdy carbon steel, these connectors are durable and rust-resistant. They offer stable support and can be easily installed on both concrete and wooden floors, making them versatile for fixed installations in structures like pergolas and porch railings.

Good quity and delivery on time. Paul. US. Sat May 23 2026

This 4x4 post base measures 4"L x 4"W x 5.9"H with an internal dimension of 3.75"L x 3.5"W x 5.9"H, and includes 2 pieces per set. Made of 0.08-inch (2mm) thick stainless steel, it is specially designed for 4x4-inch wooden posts. The brushed finish of the deck post base provides excellent corrosion and rust resistance for a long service life. The matching threaded screw kit is suitable for both concrete and wooden floors: A: Use threaded screws with caps for concrete floor installation; B: Only threaded screws are needed for wooden floor installation. It features an upgraded waterproof design: A: The 1" platform isolates the wooden post from ground standing water, effectively preventing the post from moisture corrosion. B: The upgraded base hides the screws inside the post and is reinforced with gaskets, which prevents the wood post from tilting and fits more installation positions. Installation is quick and hassle-free—just follow the user manual and use a drill to make holes; the pre-drilled screw holes ensure convenient and time-saving setup. The post anchor base bracket is specially designed for various places that need to anchor wood posts, such as pergolas, pavilions, fences, gazebos, mailboxes, porch railings, deck supports, etc.

This 4X4 post base is made of high-quality Q235B steel. The precision welding process ensures its durability and deformation resistance. It is coated with a black powder finish, which provides excellent rust and corrosion resistance. We have designed the bottom of the 4X4 post bracket with a soak-proof feature, which not only ensures the sturdiness of the bracket but also prevents the wood post from rotting due to long-term water exposure, thereby extending the service life of the wood. Tailored for wood posts with an actual size of 3.6 inches x 3.6 inches, this post bracket can be used to support stair railings, deck brackets, mailbox post brackets and fences. Each post base has a standard size of 5.4 inches (L) x 4.32 inches (W) x 4 inches (H), with an inner diameter of 3.6 inches x 3.6 inches. The set includes 4 pcs of post base, 24 expansion anchors, 24 large self-tapping nails, 24 black self-tapping nails and 1 wrench.

This gator's come up from the swamp to go postal. Bump up your curb appeal with something sure to make your mailbox your letter carrier's favorite stop. Ingeniously designed to fit your standard post and U.S. regulation-sized mailbox, the postal gator holds his arms wide to catch your newspaper and to help protect your mailbox from pond predators. Amazingly sculpted with detailing from alligator skin hide to wide-set eyes, this crocodile kin is cast in quality designer resin to withstand the elements. A Design Toscano-exclusive gift-with-an-attitude to yourself or to someone who loves a non-traditional look, this one will put your house on the map. Note that post, "US" regulation sized mailbox and mounting hardware are not included.

Looks fantastic. Can’t wait to install it exactly what I was looking for. Thank you.. Dana. Florida. Wed Apr 08 2026

This adjustable deck railing bracket is designed for repairing and reinforcing wood posts. Featuring an adjustable half-post base structure, it can fit different sizes of wood posts such as 1.5" x 1.5", 2" x 2", 2" x 4" and 4" x 4" to meet diverse installation needs. Made from solid steel, the bracket offers robust strength to securely support, protect and reinforce the base of posts. Its durable black powder-coated finish ensures rust resistance and long-lasting performance even under harsh outdoor weather conditions. With versatile applications, this pergola bracket is ideal for structural enhancements including deck supports, porch railings, handrail systems and post stabilization. It can also effectively serve as table leg connectors or sturdy mailbox post anchors. Each 4x4 bracket has three holes on the body and two holes on the bottom, and comes with 5 pcs of M4 x 30mm wood screws for firm fixation on wooden floors, enabling easy installation.

This 4×4" post base fits standard 4×4 posts (inner size 3.5"x3.5") for easy installation. Made of steel with black powder-coated finish for rust protection. Features 8 holes on the body and 4 on the base. Includes expansion bolts and screws. Suitable for porch, railing, fence, or garden posts on wood or concrete.

French Bronze

If you are looking to add a personal, decorative touch to your Whitehall mailbox post, this is the item for you.

Perfect match great price. Daniel. Morristown, NJ. Thu Feb 12 2026

This 4×4 post base is made of solid steel with a black powder-coated finish. It fits standard 4×4 posts (3.6" × 3.6") and stands 5.5" high. The base keeps the post slightly off the ground and includes a central support. Includes screws and anchors for wood or concrete installation.

This adjustable half-post base is compatible with wooden posts of various sizes, including 1.5"x1.5", 2"x2", 2"x4", 4"x4" and more. With product dimensions of 1.37"x1.51"x5" and a thickness of 2.8 mm, it is designed with two types of mounting holes (3 holes of φ0.25" and 2 holes of φ0.3") to meet different fixing needs. Made of carbon steel, the base undergoes hot-dip galvanizing and spray coating processes, featuring excellent corrosion and rust resistance for a long service life. Adopting a universal design, it is ideal for deck supports, porch railings, handrails, post holders and other scenarios, and can reinforce the base connection of new posts, widely used in braced carports, patio covers, mailboxes, fences, decks and other structures. The package includes 4 post base brackets and matching wood screws, allowing for immediate installation after opening.

What a wonderful L-bracket. Sturdy and well made.. Jill. Lancaster, PA. Fri May 15 2026

Custom 4″ square post cap is compatible with the 4″ square pole. Attaches using set screws.

Post Base: Elevating Safety and Style in Every Step:Made of robust carbon steel material, this product is durable, rust-resistant, and wear-resistant, providing stable support. With a wide range of accessories, it can be easily installed on various types of surfaces.

10 PCS Deck Post BaseOur post base skirt, made of high-hardness steel, features powder coating which can keep it away from rust. Thus, it can last a long time in a harsh environment. Its superior performance determines that we can use it in multiple conditions, including deck brackets, porch railings, stair handrails, mailbox posts, etc.

Great way to support and dress up your deck railing posts.. Ken. Grantham, NH. Mon Sep 11 2023

Fits 4″ square pole. Attaches using set screws.

Fits 3″ square pole. Attaches using set screws.

1.25" H x 3.31" W x 3.31" D

Attaches using set screws.

Base 3 is used with C-Series systems and accepts 2 3/8″ OD poles.

Fits 2 3/8″ OD round pole. Attaches using set screws.

7.1" H x 7.5" W x 7.9" D

Post Base: Enhancing Safety and Elegance with Every Step:Crafted from durable stainless steel, ensuring long-lasting performance, resistance to rust, and enhanced stability. Features a thick bottom cover plate that effectively prevents wood decay. Comes with a comprehensive range of accessories, facilitating effortless installation on various surfaces.