Belwith 1105 First Watch Security Night Latch With Locking Cylinder Brass Finish

Brass, night latch with 5 pin tumbler locking cylinder, hold open feature, 1-1/4 inch bore required.

Instructions:1. At desired height bore the hole for the cylinder 1-1/4″ diameter, with center at a distance of 2-3/8″ from edge of door.2. Insert cylinder and ring from he outside of door and place back plate on inside of door. Connect back plate to cylinder with two connecting screws. Cut screws to proper length relative to door thickness.3. Cut off connecting bar so that it projects 3/8″ beyond inside of door.4. Plack lock on door so that connecting bar enters slot. Mark holes. Remove lock and drill 1/8″ pilot holes. Attache lock to door by inserting screws through lock into door.5. Place strike plate on door jamb. Mark holes. Remove strike plate and drill 1/8″ pilot holes.6. As needed, use chisel to cut door jamb so that strike is flush with door jamb.