With 3 keys Padlock with reprogramable cylinder GT. If keys are lost the cylinder can be quickly replaced or reprogramed by changing the pins position Molybdenum hardened alloy steel shackle for maximum strength against corrosion Ball bearing locking for extra resistance to torsion and pull attacks 100.000 different locking combinations 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