The HEYCO 820 SERIES is a Slogging Ring Wrench with metric size production. This tool is designed for heavy-duty applications, allowing users to apply significant force to tighten or loosen large fasteners. It is compliant with DIN 7444 standards and features an oiled finish for corrosion resistance.

The wrench has a length of 190 mm, a head thickness of 17 mm, and a head diameter of 52 mm. It weighs approximately 0.4 kg.