Item Description: Koken 21mm 1/2" sq drive Hex Allen Key 43mm Long Professional ½ square drive Hexagon bits to dismantle and then Torque up front spindle bolts on Kawasaki/ Suzuki and other Motorcycle spindles. Normally only available through the quality tool vans. Please check this is the correct size required for your particular motorcycle. Professional high quality item made by Koken in Japan especially for Motorcycle applications