This is a 3-1/2 inch diameter door cover plate. It will cover marred doors and allows a conversion from 2-3/8 inch to 2-3/4 inch backset, or 2-3/4 inch to 2-3/8 inch. Designed for use to help the structural integrity of handles or locks on a door, or if damage has occurred on a door.
This back plate is constructed from steel and comes plated in a satin brass finish. It allows for the conversion of a 2-3/8 In. to a 2-3/4 In. backset (or 2-3/4 In. to 2-3/8 In.). Covers marred doors; use with 2-1/8 In. bore locks.