If you need a wrench, use the revolutionary Joker. For the first time since open-ended wrenches were conceived, the issues with them have been eliminated. The Joker spanner impresses with its holding function for screws. The practical holding function is thanks to the metal plate in the jaw. This prevents any slipping. The double-hex geometry reduces the risk of slipping. The return angle is only 30°. With Take it easy tool finder: colour coding by size. Weight: 0.44 pounds. Manufacturer: Wera