The ultimate driver bit set. This is what you get - (All in tool steel): 1 x magnetic bit holder 1 x square to hex socket driver 50mm 1 x square to hex socket driver 25mm 1 x square to hex bit adaptor Note that commonly used driver bits are supplied in greater numbers. Driver bits: Phillips 0, 1, 2 (x5) & 3 Posidrive 0, 1, 2 (x5) & 3 Square drive 0, 1, 2 & 3 Slotted 3, 4, 4.5, 5, 5.5, 6, 6.5, 7 & 8mm Pin drive (snake) 4, 6, 8 &10 Torx T8, T10, T15, T20, T25, T27, T30, T40 & T45 Torque Set 6, 8 & 10 Tamper proof Torx (Metric) T8, T10, T15, T20, T25, T27 & T30 Hex (Allen) Metric 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 5.5, 6.0 & 8.0mm Tri-Wing 1, 2, 3 &4 Clutch drive 1, 2 &3 Hex (Allen) Imperial 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 & 1/4 Spline drive M5, M6 & M8 Tamper P Pack type : Bit set Bit type : Hex (Allen), Phillips head, Pozidrive, Square Drive, Flat Head (Slotted), Spanner / Pin Drive (Snake-Eyes), Torque (Offset Phillips), Torx, Tri-wing Bit size : Phillips 0, Phillips 2, Phillips 3, Pozidrive 0, Pozidrive 1, Pozidrive 3, Square 0, Square 1, Square 2, Square 3, Flat 3mm, Flat 5.5mm, Flat 6.5mm, Flat 8.0mm, Torque 6, Torque 8, Torque 10, T8 Torx, T10H Torx, T15 Torx, T20 Torx, 1.5mm Hex (Allen), 2.0mm Hex (Allen), 2.5mm Hex (Allen), 4.0mm Hex (Allen), 5.0mm Hex (Allen), 5.5mm Hex (Allen) Tamperproof, Tri-wing 1, Phillips 1, Tri-wing 2, Tri-wing 3, Clutch 1, Clutch 2, Clutch 3, M5 Bolt/Nut, M6 Bolt/Nut, M8 Bolt/Nut Number of tools in set : 100.0pc Storage Included : Carry Case