The ABUS 55 Series Brass Padlocks have inner components made from non-corrosive materials. Pin tumbler cylinder with anti-pick mushroom pins which resists picking, a hardened steel shackle which resists hacksaw attacks and double bolted 30mm and above for increased shackle strength. Long shackle (HB) version available.This ABUS 55/60 Brass Padlock has the following specification: ABUS Security Level: 6.Keyed Alike Key Reference: 5601. Shackle Width: 32mm.Shackle Height: 32mm.Shackle Diameter: 8mm. Overall Width: 58mm.Overall Height: 84mm.Overall Depth: 16mm.