With 3 keys Padlock with reprogrammable cylinder GT. If keys are lost the cylinder can be quickly replaced or reprogrammed by changing the pins position Quality built in shackle seal made of anti-UV PE to stop water entering Hardened steel lock body for extra strength and resistance against corrosion Ball bearing locking for extra resistance to torsion and pull attacks Patended system for quick hook change 100.000 different locking combinations Can be also used with long shackle Includes: 12 pin cylinder with anti-pick mushroom pins for extra protection against picking: 2 hardened pins on top, 2 hardened pins on bottom, 2 hardened anti-drill bars, 6 BRASS pins Molybdenium hardened alloy steel shackle for maximum corrosion resistance Anti – bump pins Special protection cylinder plate to protect the cylinder from drilling