ProSource HSH-050SBP-PS Door Reinforcer 2-3/8 in Backset 1-3/4 in Thick Door Steel Brass 9 in H 4 in W

This is a door lock reinforcer. It helps in preventing a forced entry. Can be used on any wood or metal door that is 1-3/4 in thick. The reinforcer is made of stamped stainless steel.