The most important part: the ratchet. Forged from one piece of CrV steel. Hardened and with flawless toothing: several of the 52 teeth engage simultaneously and transmit extremely high torque. With release mechanism: Release of the insert tools at the push of a button. In sturdy, powder-coated steel box. With torsion-resistant, indestructible mould insert made of injected polyporpylene. Oil resistant, acid resistant and easy to clean. With permanently legible marking for all wrench sizes.