The 72-teeth inner ring gear made of special high alloy steel allows ratcheting even when the spanner can only be moved through 5°. Nevertheless, the torque transmission capacity far exceeds the DIN/ISO standards. CrV steel shaft with optimum surface protection: double nickel-plating and single matt-finished chrome-plating. Socket sizes easy to read due to laser marking!\nAs the 15º offset ring makes turning over of the spanner impossible, the spanner offers a reverse lever. Its design makes it ideally suited for working on flat surfaces.