General description A set of longer length bits, suitable for use with power tools. This set includes specialist bits in tamperproof format for automotive and electronic use. Technical specifications Bit length: 75mm Material: Chrome vanadium Tamperproof bits: Hex 2, 2.5, 3, 4, 5, 6mm; Star* T8H, T10H, T15H, T20H, T25H, T27H, T30H, T35H, T40H Standard bits: Phillips Ph1, Ph2; Flat 6mm; PzDrive Pz1, Pz2, Pz3; Torq set 6, 8, 10mm; Tri-wing 1, 2, 3, 4mm; Spanner 4, 6, 8, 10mm