Rev-A-Shelf, RL-201-1, Cabinet Catches and Latches, RL, Cabinet Hardware, RL Series Cabinet Lock Assembly Introducing peace of mind for any parent or grandparent, the Rev-A-Lock. This security device is one-of-a-kind with powerful magnetic locks that can attach to wood, glass, metal and particle board cabinets for a guaranteed safeguard from curious little hands. To open the cabinet, simply hold the magnetic key against the cabinet door to disengage the lock. This lock has a patented unlocking device that allows a disabling of the lock so cabinets can be opened without the key. Wasted space is a thing of the past! Rev-A-Shelf is the world's largest manufacturer of functional storage organizing products. Rev-A-Shelf can offer both the professional and the homeowner the finest cabinet storage solutions available. Features: Lock will install on doors 1/2 (13 mm) to 1-9/16 (40 mm) thick Operates through wood, glass, metal and particle board Patented unlock device lets cabinets can be opened without the key Includes lock with extension slugs Magnetic keys not included, use RL-202-1