The lightweight carbon fiber crank arms, as well as some pedals like the Garmin® Vector™, sometimes feature recommended torque specifications. The TWB-15 is used together with any 3/8'' drive torque wrench to ensure pedals are tightened precisely according to these specifications. The TWB-15 can also be used with any standard 3/8'' drive wrench handle, making it a portable alternative to a standard-sized pedal wrench. Laser cut, heat treated, and plated for long-lasting durability.