CRL Cam Locks for Wood Doors have a brite nickel plated finish. Simple installation requires drilling a 3/4" (19 mm) hole in wood or composite doors up to 3/4" (19 mm) thick. They can also be used as Locks in desk or counter top drawers. Locks come with two keys, one straight and one offset cam, one washer, and one nut. Customers needing extra blank keys can order Cat. No. LKEY.