This showcase and pass-thru window lock is constructed of steel and diecast metal components. Comes in a chrome plated finish. It features a 9/16 in. tall locking bar that extends 5-1/2 in. L, and it can fit on showcase glass panels up to 5/16 in. thick. This lock is fully adjustable to accommodate a variety of various closing alignments. It is easy to install, and uses an ILCO 1000X keyway. Keys are included with locking device.