German polygon wrench with ratchet mechanism from the company Benman, size 10mm. Each German polygon wrench combines 2 tools: the German key for tightening bolts and the polygon, which is suitable for tightening nuts.

It offers great flexibility as it combines the advantages of 2 different keys. It is suitable for tightening nuts and screws of 17mm in tight workspaces thanks to its ratchet mechanism.