FJM Security 8218B-KA European High Security Miniature Cam Lock with 7/16&rdquo; Cylinder and Chrome Finish, Keyed Alike Available keyed alike and key retaining so that you don't accidentally leave your valuables unlocked Has a cylinder diameter of 7/16 and can accommodate a material thickness of 3/8 Lock is made of Zinc alloy and is Chrome Plated Ships with 2 keys, cylinder nut,  cam and cam screw Perfect for Small format needs such as sheet metal doors, Acrylic boxes and electronics enclosures