Use wrench on external hex of tool for situations exceeding 90 lb/ft (EU: 122,02 Nm) Fits internal hex on many late model sportbike axles and some dirt bikes 3/8" square drive on both ends rated to 90 lb/ft (EU: 122,02 Nm) For touring and trailside use only Made in the U.S.A. Weighs only 2.5 oz. TOOL HEX AXLE WRENCH SET