Park tool introduced the bicycle industry to the 3 way hex wrench set more than 20 years ago the latest versions are stronger and more comfortable than ever the park tool aws3c 3 way hexagon wrench 2 25 3 mm fits perfectly in the palm of the hand and provide tremendous leverage hexes are made from bondhus protaniumtrade high torque industrial steel and are heattreated for long life tips of hexes are chamfered for a perfect fit park tool aws3c 3 way hexagon wrench 2 25 3 mmnbsp