Park ht6 hex wrench tool 6mm specially designed for cranks freehubs and pedals the hex tool is built for speed leverage and comfort ht tools feature an ergonomically designed screwdriver grip with an extra long super strong 6mm hex on one end and a ball driver hex on the other the dual density ergonomically designed screwdriver handle provides secure grip and is moulded over an extra long extra deep super strong hex also features an additional ball driver for those really hard to