First Watch Security's range of patio and window locks is suitable to provide your home with additional security and give you peace of mind when you are away. Some patio doors can be lifted off their track - our anti-lift devices aid to prevent this.

Worked great to secure storm door.. Bonita. Mon Apr 13 2026

Add an extra layer of protection to your home with the Defender Security U 9847 Patio Sliding Door Loop Lock. Designed as a secondary locking device, this loop lock upgrades sliding patio door security by helping prevent unauthorized entry. It’s an ideal solution for homeowners looking to reinforce existing door locks without replacing their entire system. This loop lock also provides an added level of child safety by allowing installation higher on the door, keeping it out of reach of small children. This helps prevent unsupervised access to outdoor areas, making it a practical option for families concerned about safety. Constructed from hardened steel with a nickel-plated finish, the locking bar delivers strength and durability you can rely on. The included diecast mounting bracket and keeper are also nickel-plated for corrosion resistance and long-lasting performance. Designed to secure the sliding door panel to the jamb, the lock provides a stable and secure hold when engaged. Installation is quick and straightforward, with all necessary mounting hardware included. Whether used in residential or light commercial settings, this patio door loop lock is a simple and effective way to boost door security and peace of mind. The 2-1/8 inch reach ensures proper engagement for compatible door setups. Be sure to review the line drawing to confirm fit before purchasing.

Anonymous. Thu Jul 06 2023

Restore the security, appearance, and functionality of compatible sliding patio doors with the Prime-Line C 1149 Keyed Sliding Glass Door Handle Set. Designed as a direct replacement for worn, damaged, or missing flush-mounted hook-style handle sets, this complete assembly combines durable diecast construction with a natural wood interior pull for an attractive blend of strength and style. Ideal for residential sliding glass doors, it provides dependable day-to-day performance while enhancing the door's appearance. The interior pull features a clear-finished wood handle supported by chrome-plated diecast mounting posts, while the exterior keyed pull is constructed from durable diecast with a matching chrome-plated finish. The keyed locking system includes two keys for added security and convenient access. To accommodate a variety of door configurations, the set includes four interchangeable hook latches, allowing proper lock engagement with many popular flush lock punch-out designs. Designed for sliding patio doors measuring 1 in. to 1-1/8 in. thick, this non-handed handle set can be installed on both left- and right-sliding doors. It fits doors with 6-5/8 in. center-to-center mounting hole spacing and includes a 2-11/16 in. keeper, installation hardware, and instructions. Before purchasing, compare mounting hole spacing, latch style, and hook dimensions with your existing hardware to ensure compatibility.

Good quality product which exactly fix.. Doug. Hernando, FL. Sat Jul 26 2025

Designed to fit sliding glass doors with fits 3 ¹⁵/₁₆ inches Hole Spacing, and 1-1/4" to 2-1/4" Door Thickness (Fabrication: 4 hole patterns)

It’s good! The back part didn’t work on my door so had to use the old one. Quality I’m not sure how good it is, came a bit scratched already! Let see how well it holds up though!. Kamit. Vernon Hills, IL. Sun Dec 08 2024

This double cylinder deadlock is constructed of diecast and it comes in a chrome plated finish. It features a jimmy-resistant design which prohibits forced entry when attempts are made to spread the door away from the frame.

This patio door handle set is constructed of diecast and comes in a chrome plated finish. It features a keyed-locking cylinder with a night latch security device,