Description:- Gear-wheel with safety locking mechanism and quick release button 2-colour-multilayer insulation (yellow, red) for easy identification of insulation damages insulated, tested Conforms to EN/IEC 60900:2004, individually tested with 10.000V and approved for 1.000V Elora-Chrome-Vanadium 31CrV3 / 1.2208 square drive Conforms to DIN 3120-A 10 ISO1174, with ball locking device