Park tool hex wrench tool htas a manufacturer of bicycle specific tools since 1963 you can safely rely on park tools many years of experience the worlds largest bike tool manufacturer is the first choice of professional and home bicycle mechanics around the world featuresspecially designed for pedals the ht 6 hex tool is designed and built for speed leverage and comfortht tools feature an ergonomically designed screwdriver grip with an extra long super strong hex on one end and a ball