"Aspen" Center Keylocking Sliding Door Handle in Brushed Nickel Fits 1-3/4" Thick Doors with 3 Hole Mount on Door and 3-15/16" CTC Screwholes Sliding Door Handle set - keylock feature centered on external handle - check prior to ordering Non-Handed, compatible on doors with a mortise lock application Fits only 1-3/4" sliding door thickness. Projection - 1.909" with good finger clearance Fits 3 hole mounts with 3-15/16"" screwhole to screwhole center hole spacing Package contains outside and inside pull with thumblatch and fasteners (mortise lock not included)