This massive, cast-iron rim lock is faithfully reproduced from an early 19th century original used on entry doors. (If installing on an entry door, pair it with a modern deadbolt for security.) Ideal for large interior doors, it comes with matching un-lacquered brass knobs, trim and a pair of impressive skeleton keys. The heavy duty lock features all brass internal parts, a skeleton key lock and sliding privacy bolt (privacy bolt can not be disengaged from outside the room).Lock body: 7 1/4" W x 5 1/8" H x 1 3/16" Thick. Keeper: 1 1/2" W x 5 1/8" H x 1 3/16" Thick. Backset: 4 5/8". Knobs: 1 7/8" diameter. Rosette: 1 7/8" diameter.This lock set is installed on the inside of the room and is designed for use on inswing doors only.