This is a window sash lock that is constructed from zinc diecast and comes in a bronze finish. Typically these locks are used on a variety of double hung windows, and they are operated by turning the thumb turn. The mounting holes for both the lock and the keeper are 1-15/16 in. on center Used as a sash lock for a variety of double hung windows Diecast metal construction with a bronze finish Used on many double-hung windows. Window Sash Lock Prime-Line® Bronze Die Cast Anti-Swivel Tab Sash Lock And Keeper 1-3/4 Hole Center This is a window sash lock that is constructed from zinc diecast and comes in a bronze finish. Typically these locks are used on a variety of double hung windows, and they are operated by turning the thumb turn. The mounting holes for both the lock and the keeper are 1-15/16 in. on center. Each package contains 1 lock and 1 keeper and the necessary mounting hardware for a quick and easy... Mounting holes are 1-3/4 in., on center This sash lock is constructed from zinc diecast and comes in a bronze plated finish. Prime-Line 2-1/4-in 2-5/16-in White Plastic Sliding Window Sash Lock F For further dimensional information, please see the line drawing