Durable Hardware; Non-Handed, compatible on doors with a mortise lock application Up to 1-3/4" sliding door thickness; Projection - 1.909" with good finger clearance Fits 3 or 4 hole mounts with 3-15/16" screwhole to screwhole center hole spacing Each package contains one outside and inside pull with thumblatch and installation fasteners, mortise lock & keeper Sonoma Sliding Door Handle Set with 3-15/16" CTC Screwholes in Brushed Nickel Finish with Mortise Lock and Keeper fits up to 1-3/4 inch thick doors with a 3 or 4 hole bore on the face of the door and 3-15/16 inch center to center screwholes