Sonoma White Sliding Door Handle with Center Keylock, fits 1-3/4" thick doors only with 3 hole bore and 3-15/16" Screwholes Sliding Glass Door Handle with keylock function. (Replacement handle set only- does not include the mortise lock) Non-Handed, compatible on doors with a mortise lock application. 1-3/4" sliding door thickness only. Projection - 1.62" Fits only 3 hole door face bore mount with 3-15/16"" screwhole to screwhole center hole spacing Package contains outside and inside pull with thumblatch and fasteners, (mortise lock not included)