Master Lock Fortress Padlock 20mm Brass SKU: 182780 MODEL: FM1820QAU Error. try again later You've successfully joined the club $ 16 .98 pack of 4 Mitre 10 Variants Brass body and cylinder for resistance against rust and corrosion. Pin cylinder for extra pick resistance. Ideal for securing luggage and general security applications Features and benefits Steel shackle. Solid brass construction for extra resistance against rust and corrosion. Hardened steel shackle for cut resistance. Pack of 4.