The ABUS 83 Series Rock Hardened Steel Padlocks have a body and shackle made from hardened steel, chrome-plated with NANO PROTECT coating for extreme corrosion resistance. Fitted with a 6-pin tumbler cylinder that features anti-pick mushroom pins, which helps to resist picking. The padlock is fitted with a patented 'Z-Bar', can be adjusted to operate key retaining or non-key retaining, automatic locking or key to lock. Ideal for securing valuables/goods of greater value or at a high risk of theft.