Sure, here's a refined and simplified title focusing on the product keywords: Stainless Steel Door Guard by Defender Security U 10546, Single Pack

The Defender Security U 10546 Stainless Steel Lock and Door Reinforcer is designed to assist in preventing forced entry by reinforcing the weak spot of your door. This reinforcement plate can be used on metal, fiberglass, and wood doors. Constructed of stainless steel, the lock reinforcer plate comes in a natural finish.

All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting, ensuring a straightforward setup process. The reinforcer is designed for a snug fit on 1-3/4 inch thick doors that have mortise or drive-in latches.

Measuring 4-5/16 inch wide by 10-7/8 inch tall, the reinforcement plate accommodates key-in knob locksets on doors that have 2-1/8 inch bore sizes, 5-1/2 inch on center hole spacing, and a backset of 2-3/4 inch from the edge of the door. The door reinforcer is non-recessed, allowing it to fit over your existing latch.

This lock and door reinforcer helps prevent forced entry. It is easy to install and can accommodate key-in-knob lockets or deadbolts. It can be used on both wood and metal doors with mortise or drive-in latches.

ADDED SECURITY: Prevent forced entry by reinforcing the weak spot of your door with the non-recessed door lock reinforcer; use it to reinforce and repair both metal, fiberglass, and wood doors.

BUILT TO LAST: Made of stainless steel, the door lock reinforcement plate comes in a natural finish to fit over two bore holes 2-1/8 inch on your door.

EASY INSTALLATION: All the necessary mounting hardware is included with the lock reinforcement plate for a quick and easy installation; the door reinforcer plate is pre-punched for mounting. Remove the protective film after installation.

DIMENSIONS: The door lock reinforcement plate is designed for 1-3/4 inch thick doors only that have a 2-1/8 inch bore hole through the door, 5-1/2 inch on center hole spacing, with a 2-3/4 inch backset from the edge of the door to the center of the bore holes.

NOTE: Make sure to dry fit the 4-5/16 inch wide by 10-7/8 inch tall with a 0.03 inch thickness door lock reinforcer before permanently installing and refer to the line art drawing and compare with your needs before purchasing.

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