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 valuablesgoods of greater value or at a high risk of theft