The Master Lock set-your-own combination padlock features a 48mm wide covered zinc body for durability with a black finish. For outdoor use, ideal to secure gates, garden sheds, outhouses and more. The 8mm diameter shackle is 27mm long and made of hardened steel, offering resistance to cutting and sawing. 4-dial combination security with wide dials and a unique push-to-open button is easy to use and offers more than 10, 000 possible combinations. The 5-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. Never get locked out in case you forget the combination thanks to the override key for backup access.