Rough 10-5/8" x 2-5/8" proj. 1-3/4" Lock: LOCK1 Double cylinder For residential entrance doors where handle operation is required for both exterior and interior. Two cylinders with key are provided for deadbolt operation on both sides. Mortise lock is included. Designed for 1-3/4" door only. Specify on order if other than 1-3/4". Stile width: Minimum 4-1/4". All locksets available with double cylinders. Specify in order.