evo.com | Park Tool General Shop Tools > Looking to spend the least amount of time possible working on your bike? Look no further than the Park Tool HT-8 8mm Hex Tool. With an extra long and super strong 8mm hex on one end and a ball end hex on the other, this tool is specifically designed for use on cranks and pedals but will work with any thingamajig that requires an 8mm hex for adjustment. | Park Tool HT-8 8mm Hex Tool 2023 - 8mm