Master Lock 140DAU Solid Brass Padlock features a 40mm wide solid brass lock body that is strong, durable and resists corrosion. The 6mm diameter shackle is 22mm long and made of steel, offering resistance to cutting and sawing. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. 40mm Wide solid brass body padlock. Standard steel shackle. 4-pin cylinder.