ADDED SECURITY – Prevent forced entry by reinforcing the weak spot of an entry door with the non-recessed door lock reinforcer; use to reinforce and repair both metal and wood doors BUILT TO LAST – Made of solid brass construction, the door lock reinforcement plate comes in a brass finish to fit over a two bore holes 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 DIMENSIONS – The door lock reinforcement plate is designed for 1-3/4 inch thick doors; it features two 1-1/2 inch, or 2-1/8 inch bores that are 5-1/2 inch on center with 2-3/4 inch backsets NOTE - Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal) Helps protect against a forced entry