The Master Lock 3T laminated padlock with key features a 2 in. (51 mm) wide laminated steel body for maximum strength and reliability. The 3/8 in. (10 mm) diameter shackle is 1 in. (25 mm) long and made of hardened boron alloy, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual ball bearing locking mechanism provides maximum pick and pry resistance. The limited lifetime warranty provides peace of mind from a brand you know and can trust. • Indoor and outdoor lock; padlock with key is best used for residential gates and fences, sheds, workshops and 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 two padlocks with two keys; both keys open each lock UPC: 071649321900 Weight: 0.75 lbs RKU: LOW310424