LCK-1121 is a full mortise steel door or drawer locj that offers three-way mounting as it can be used on a drawer as well as with a left or right hand door. The steel lock body measures 1 3/8" high and is 1 3/4" wide. The brass lock face plate is 7/16" wide by 2 3/4" long. The distance from the face plate surface to the center pin is 5/8. The distance from the sides of the lock to a center pin is 7/16". This lock comes with one key.