The padlock is an anti-theft lock, C, E, SBE style, G wait for a variety of specifications, MUL-T-LOCK lock it has drilling, prying, skeleton key, anti shear, torsion, E, SBE, C type padlock also has waterproof, anti frozen performance of fog. E type and G type padlock may be provided with anti-shear cover performance, C type padlock lock hook can provide protective cover, further enhancing the security performance of padlock. Global patent interactive bead structure, key on the activities of beads, and the lock core corresponding movable beads interaction, is a technical unlocking nemesis, is the mechanical lock the highest security level. E type, SBE type, C type padlock lock body made of hard alloy steel, shell hardness higher than 56 degrees; G type padlock for zinc alloy padlock hook, all for boron or manganese alloy manufacture, can withstand the shear force2550-10200kg, 1530-10200kg force. Very suitable for machines, equipment, pipeline, banks, warehouses, escape door, prison, shops, shopping malls, office, petrochemical, petroleum transport vehicle, toolbox, and high confidential sites using.