Long-shackle Padlock offers a hardened steel shackle for extra cut-resistance. Four-pin cylinder helps prevent picking. Dual locking levers provide extra pry-resistance. Maximum security laminated, cadmium, rustproof padlock with 1-1/2" (38mm) nickel-plated shackle.MLK3DLF. 3DLF. Master Lock Master Lock Long Shackle Padlock.