●Specification: Mounting door thickness 1-3/8 in (35 mm) to 2-1/2 in (64 mm), surface mounting requires a 1-1/4 in (32 mm) diameter hole for the latch mechanism. ●Design: Dead Bolt Locks Angle Strike Bracket with Angle Buckle for added security. Latch latch brass with latch function, more robust mechanism with over 250,000 life cycles. ●Easy to install: Surface mount, no mortise required for rim door latch. ●Package: Comes with Night Lock Door Security Lock, Single Cylinder with Brass Latch, Antique Lock with 2 Piece KW Brass Key. ●100% Satisfied Service: Enjoy a smooth & frustration free experience with our 100% Satisfied Service in one Month!