Pro Hex Key Set Description: The Pro Hex Key set is an 8-piece hex key tool set featuring commonly used tool size fittings between 2mm and 10mm. Address important bolts throughout any classic or modern bicycle using these uncomplicated tools. Ball end shapes found on each tool will allow users to work on hex fittings from a variety of angles in a number of hard-to-access places found on bicycles. Features: High quality steel tools Chrome plated finish Most commonly used bike size wrenches: 2/2.5/3/4/5/6/8/10mm Includes PRO branded plastic tool holder Ball end handles allow access in hard-to-reach places