A set of 1/4"D Bits in S2 Steel with Zinc Phosphate finish and 19mm long including: 3 x Phillips: Ph1, Ph2 & Ph3; 2 x Flat: 6mm & 10mm. 10 x Hex Profile Metric: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8m more→m, 9mm, 10mm. 4 x Hex Profile Imperial: 7/32", 1/4", 5/16" 3/8". 7 x Spline Profile: M5, M6, M7, M8, M9, M10, M12. 10 x Torx Profile: T10, T15, T20, T25, T27, T30, T40, T45, T47, T50.8 x Torx Plus Profile: IP10, IP15, IP20, IP25, IP30, IP40, IP45, IP50; 6 x Torx Plus Tamperproof: IPR20, IPR25, IPR27, IPR30, IPR40, IPR45.