This sash lock is constructed of diecast zinc and comes in a white painted finish. It features a 3/8 in. latch projection that engages into the fixed rail of the top sash, and the mounting holes are 2-1/16 in. on center. This sash lock can be used on vertical single and double hung aluminum sliding windows, as well as on horizontal aluminum sliding windows. This sash lock includes one cam-action latch with fasteners. A locking replacement for this lock would be the Prime-Line part U 9933.