The American Lock No. A10 Solid Body Padlock features a 1-3/4in (44mm) wide solid aluminum body and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter zinc plated boron shackle for superior cut resistance. Ideal for corrosive environments, the non-rekeyable 5-pin APTC12 cylinder can be factory keyed to your requirements.