Park tool p handled torx wrench phtas 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 featuresour comfortable p handle with a star shaped torx wrench for the fittings for bolt heads found on many disc brake calipers and rotorsoffset p handle made from durable nylon and ergonomically designed for comfortable