The innovative hexagonal hardened steel shackle of these padlocks offer an extra resistance against bolt-cutters. The solid brass body with special anti-rust coating makes them ideal for securing basement storage units, residential gates or toolboxes. Extra thick 50mm solid brass body. Hexagonal 9mm hardened steel shackle for extra resistance to bolt cutters. 6-pin cylnder for tough pick resistance. Easy to use reversible key. The padlock comes with 4 dimple keys for added security and convenience