The Grainger Approved Keyed Padlock is a keyed padlock with a hardened steel shackle and body for security and durability. It features a 5 pin tumbler cylinder lock with two keys included. The shackle diameter measures 5/16 inches and has a clearance of 1-1/4 inches. The body width is 1-1/8 inches. This padlock can be used for securing gates, storage units, tool boxes, and more. It is made in Taiwan and offers a limited lifetime warranty.