SwissGrip socket screwdrivers, with hexagonal wrench section for hex screws with hexagonal bolster for transmitting high torques and loosening seized screw convex handle with soft surface, pleasant grip and high torque transmission color coded by screw type, quick identification high-quality materials used, resistant to solvents, oils, acids and salts special alloy based on spring steel, exceptional elasticity coupled with with high hardness laser-marked serial number, lifetime guaranteeメーカー公称
