Indoor and outdoor lock; Padlock with key is best used for residential gates & fences, sheds, workshops & garages, tool boxes and more Key lock features a laminated steel body and a hardened steel shackle for strength and security Commercial grade padlock features superior protection from drilling and prying 1-9/16 in. (40 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 1-1/2 in. (38 mm) length, 5/8 in. (16 mm) width; Extended shackle for application flexibility Includes one padlock with two keys