The American Lock No. A1205BRN Solid Aluminum padlock features a 1-3/4in (44mm) wide aluminum, brown body and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy steel shackle for superior cut resistance. Dual ball bearing locking mechanism resists pulling and prying and 5-pin APTC12 rekeyable cylinder is pick resistant and has tens of thousands of key changes. Key Number 26454