Size (mm): 59H x 52W x 26D Clearance(mm): 25.5 Horz. x 33.5 Vert. Shackle Diameter: 8mm 4 Wheel Combination ABUS 158 Series combination padlock with a solid die-cast zinc body and a hardened steel shackle. 3 digit (40mm) or 4 digit (50mm) resettable combination where you can set your own PIN. Ideal for medium security requirements where convenience of use is a high priority (e.g. schools, companies).