Y300SS/63/127 - Yale Black Series Padlock (Heavy Duty Hardened Molybdenum Steel Shackle) 63 mm70mm professional series padlock, molybdenum steel shackle, heavy duty hardened steel body design.
Y300C/63/127 - Yale Black Series Hardened Steel Closed Shackle Padlock (Molybdenum Shackle)63mm professional series padlock, all-inclusive molybdenum steel lock ring, hardened steel lock body design.
Y300/63/127 - Yale Black Series Hardened Steel Padlock (Molybdenum Shackle) 63mm63mm professional series padlock, molybdenum steel lock ring, hardened steel lock body design.