This seven-piece Draper TX-STAR diamond-tipped screwdriver set is designed for professional use. The diamond tip coating enables greater grip, better torque transfer through to the screw and less cam out, preventing damage to screw heads. Features and Benefits Designed for professional use Diamond tip coating enables greater grip, better torque transfer through to the screw and less cam out, preventing damage to screw heads Contents 6 x Draper TX-STAR, 100mm: T10, T15, T20, T25, T27, T30 1 x Draper TX-STAR, 125mm: T40