Abus Type 158 5-Digit Combination Padlock. 

The ABUS 158 Series Combination Padlock with a solid die-cast zinc body and a hardened steel shackle.
Weather resistant. 5-digit (65mm) re-settable 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 158CS/65 Closed Shackle Combination Padlock has the following specification:
Overall Width: 65mm
Shackle Diameter: 10mm
Shackle Clearance: Horizontal: 27mm, Vertical: 40mm.
Overall Height: 116mm.
Overall Body Thickness: 26mm.