Triton Products 72428 MagClip Assorted Socket and Tool Holder Set Magnetic socket holder will hold sockets tight without magnetizing them Hangs or mounts on any smooth metal surface mounted vertically or horizontally Grease, oil, chemical and rust resistant Socket holders mount and hang on any flat metal surface either vertically or horizontally Holds sockets tightly in place and will never magnetize the socket or tool Compatible with shallow or deep sockets including standard or metric size Magnets retain strength permanently and are grease, chemical and rust resistant