Hardware Essentials keyed door and utility cam door locks are ideal for locking wood or metal cabinets. Locks are available in several finishes to fit decorating needs. Traditionally used to fit in cylinder bodies. If installing with collar fits use at least 3/4 in material if installing without collar fits use 7/8 in material. Tools required are marking pencil, power drill, 3/4 in drill bit, handheld screw driver and a wrench.