Defender Security U 10750 Bronze Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of an entry door. It can be used to reinforce and repair both metal and wood doors. Made of solid brass construction, the lock reinforcer plate comes finished in bronze. All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting. The reinforcer is designed for 1-3/4 inch thick doors that have mortise or drive-in latches. It features two 2-1/8 inch bores that are 5-1/2 inch on center, with 2-3/8 inch backsets. The door reinforcer is non-recessed. Please refer to the line art drawing for dimensions and compare them to your needs before purchasing (Not Universal).

An amazing purchase and transaction.. Anonymous. Tue Dec 23 2025

First Watch Security provides an entire spectrum of quality door reinforcers that strengthen your current door, repair damaged doors, and assist in preventing forced entry. Door reinforcers accommodate key-in knob locksets or deadbolts and can be used on wood or metal doors.

I had this installed on a very old exterior door that only had a basic gold lock set, it didn’t seem secure at all. So, I replaced the lock set and added a security latch strike along with this reinforcer. I’m definitely sleeping better at night with this combo.. Quinarra. Chicago, IL. Mon Jun 30 2025

First Watch Security provides an entire spectrum of quality door reinforcers that strengthen your current door, repair damaged doors, and assist in preventing forced entry. Door reinforcers accommodate key-in knob locksets or deadbolts and can be used on wood or metal doors.

Nice product I just ordered wrong size. Karen. Utica, MI. Fri Jun 13 2025

This combo lock and door reinforcer is constructed of stainless steel and fits 1-3/4 in. thick doors. Assists in preventing forced entry by reinforcing the weak spot of an entry door, and it can be used on both metal and wood doors. Accommodates key-in knob locksets on doors These door reinforcers are easy to install and they are used by many. All installation fasteners are included with this item. This guard features a 2-1/8in bore, 2-3/8in backset, 1-3/4in door thickness.

First Watch Security offers a comprehensive range of high-quality door reinforcers designed to enhance the security of your existing doors, repair damaged ones, and effectively deter forced entry attempts. Crafted in durable brass, their Door Reinforcers provide a robust solution to reinforce doors and safeguard your home or property. Compatible with key-in knob locksets or deadbolts, these versatile reinforcements can be easily integrated into both wood and metal doors. With a commitment to strength and durability, First Watch Security ensures that their door reinforcers not only serve as a preventive measure against unauthorized access but also contribute to the overall resilience of your doors. Whether you're looking to fortify your current door or repair one that has suffered damage, First Watch Security's Brass Door Reinforcers offer a reliable and effective solution to bolster your home's security, providing peace of mind for you and your loved ones.

Arrived on time and well packaged. Good quality metal and attractive bronze finish. Simple 4 step installation that took 10 minutes and fit perfectly on my 1.75 inch thick door.. Jeremy. Pembroke, GA. Sun Apr 19 2026

Defender Security U 9559 Brass Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of an entry door. It can be used to reinforce and repair both metal and wood doors. Made of solid brass construction, the lock reinforcer plate comes finished in brass. All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting. The reinforcer is designed for 1-3/8 inch thick doors that have mortise or drive-in latches. It features two 2-1/8 inch bores that are 3-5/8 inch on center, with 2-3/8 inch backsets. The door reinforcer is non-recessed. Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal).