The ABUS 158 Series Combination Padlock with a solid die-cast zinc body and a hardened steel shackle. 3-digit (40mm), 4-digit (50mm), or 5-digit (65mm) 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). The ABUS 158/50HB50 Long ;Shackle Combination Padlock has the following specification: Overall Width: 51mmShackle Diameter: 8mmShackle Clearance: Horizontal: 25mm, Vertical: 57mm.Overall Height: 120mm.Overall Body Thickness: 23mm.