The Proxxon 1/2" ratchet wrench. The robust one! With flawless gearing: Several of the 72 teeth engage simultaneously, transmitting an extreme torque. Reversing lever for clockwise and counterclockwise operation. Release mechanism: Ejecting the inserts with the push of a button. Head and shaft forged from a single piece of CrV steel, double nickel-plated and matte chrome-plated. Handle made of oil- and acid-resistant TPR (Thermoplastic Rubber) with a practical hole for hanging.