The American Lock No. A11 Solid Body Padlock features a 1-3/4in (44mm) wide solid aluminum covered body and a 2in (51mm) 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.