Smooth 12-3/16" x 3-1/8" proj. 13/5" For residential entrance doors where handle operation is required for both exterior and interior. Mortise lock, rose, and thumbturn are included. Designed for 1-3/4" door only. Specify on order if other than 1-3/4". Can be extended for thicker doors for a fee. Stile width: Minimum 4-1/2". All locksets available with double cylinders. Specify on order