This Abus padlock features a pin tumbler cylinder with anti-pick mushroom pins for enhanced security. It has a hardened steel shackle, with options for stainless steel or brass shackles on models 40mm and above to maximize corrosion resistance. Available in numerous KA/MK suites for multiple site security, and double-bolted on 30mm and above for increased shackle strength. The nano-plated steel alloy shackle prevents rust. Manufacturer: ABUS.