American Lock A21 Solid Brass Padlock 1-3/4in (44mm) wide 2in tall shackle

The American Lock No. A21 Solid Body Padlock features a 1-3/4in (44mm) wide solid brass body to resist corrosion and a 2in (51mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. Ideal for harsh environments, a dual ball bearing mechanism resists pulling and prying while a 5-pin APTC12 non-rekeyable cylinder with serrated pins is virtually impossible to pick.

The American Lock No. A21KA Solid Body Padlock, Keyed Alike – multiple locks open with the same key – features a 1-3/4in (44mm) wide solid brass body to resist corrosion and a 2in (51mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. Ideal for harsh environments, a dual ball bearing mechanism resists pulling and prying while a 5-pin APTC12 non-rekeyable cylinder with serrated pins is virtually impossible to pick.

The American Lock No. A21MK Solid Body Padlock features a 1-3/4in (44mm) wide solid brass body to resist corrosion and a 2in (51mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. Ideal for harsh environments, a dual ball bearing mechanism resists pulling and prying while a 5-pin APTC12 non-rekeyable cylinder with serrated pins is virtually impossible to pick.