The Master Lock 3DLF Laminated Padlock with Key features a 1-9/16 in. (40mm) wide laminated steel body for maximum strength and reliability. The 9/32 in. (7mm) diameter shackle is 1-1/2 in. (38mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. The Lifetime Guarantee provides peace of mind from a brand you know and can trust. Features: 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 4-Pin cylinder for added pick resistance and dual ball bearing locking for maximum pry resistance 1-9/16 in. (40 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 3/4 in. (19 mm) length, 5/8 in. (16 mm) width Includes one padlock with two keys; Made in the USA Keyed Alike