The extra long 75mm set of bits includes Torq bits, spanner bits, star*, tri-wings, hex bits, butterfly screws, Phillips bits, PzDrive bits, splines, flats and squares. It comes with a quick chuck shaft for fast changing. Designed from chrome vanadium and includes a 1/4"D x 60mm aluminium magnetic bit holder Features and Benefits Phillips Ph1, Ph2; Flat 4, 5, 6mm; PzDrive Pz1, Pz2; Hex 4, 5, 6mm; Hex tamperproof: 2, 2.5, 3, 4, 5, 6mm; Star* T10, T15, T20, T25, T30; Star tamperproof: T8, T10, T15, T20, T25, T27, T30, T35, T40; Spline: M5, M6, M8 Torq set: 6, 8, 10mm; spanner bits: 4, 6, 8, 10mm; Tri-wing 1, 2, 3, 4mm; Butterfly 1, 2, 3mm; Square 1, 2mm Aluminium magnetic bit holder 1/4""D x 60mm Quick Chuck shaft for fast changing Manufactured from chrome vanadium Typical Applications Industrial, DIY and automotive environments