Park Tool’s 3-Way Wrenches are a mainstay of professional bike shops. The iconic Y-shape fits perfectly in the palm of your hand and provides excellent leverage, making them a favorite of mechanics in bike shops worldwide. The ergonomically-shaped tool body features a glass fiber reinforced polymer center. Each wrench is made fromindustrial tool steel, hardened and tempered for long life, withchamfered tipsfor a perfect fit. The AWS-3 features2mm,2.5mm, and3mm hexwrenches, three of the most popular smaller hex fittings found on modern bicycles, allowing adjustment of brakes, derailleurs, electronic components, and more.