Master Lock M1XQCCSEN 1 3/4 Inch Wide Magnum Laminated Steel Padlock, 5/16 Diameter, Shackle Clearance, 4 Pack, Keyed Alike

Heavy duty padlock with key is best for storage and fencing, self storage units and lockers, tools, job boxes and more Key lock features dual armor construction: laminated steel lock body surrounded by stainless steel and zinc exterior components and the heavy-duty octagonal boron carbide shackle is 50% harder than hardened steel 4-pin cylinder and double ball bearing lock for increased pick and lever strength; reinforced bumper for increased scratch resistance 1-3/10.2 cm (44 mm) wide lock body; 5/16 inch (8 mm) diameter shackle with 1 inch (25 mm) length, 13/16 inch width 21 mm Includes four padlocks with two keys; both keys open all locks, Weight: 2.25 pounds, Manufacturer: Master Lock