Abus 83wp extreme weatherproof open shackle heavy duty fully re keyable through hardened steel alloy padlock with a ball bearing locking mechanism for extra security has a tough through hardened steel alloy shackle as standard with nano protect chrome plating 6 pin tumbler cylinder with rust free components with anti pick mushroom pins resists picking can be adjusted to operate key retaining or none key retaining automatic locking or key to lock where to use the 83 series range of padlocks offe