* The Master Lock model no. 7640704EURD features a 4mm aluminum padlock with a programmable combination and a 110mm zinc-plated hardened steel hasp for robustness and corrosion resistance. * The cemented steel base and eye resist cutting and sawing. * The ridged base of the hasp provides better resistance and the cemented steel eye offers excellent cut resistance. * The lock shackle, with a diameter of 6mm, is made of nickel-plated steel, which resists cutting and sawing. * The 4-digit combination security system offers keyless convenience. * The limited lifetime warranty provides peace of mind from a trusted brand.