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 Proof Allen (Metric) 2.0, 2.5, 3, 4, 5 & 6mm
Tamper Proof Allen (Imperial) 5/32, 9/64, 1/8, 7/64, 3/32 & 5/64
– Wing nut driver,
– All in a snap lock case with clear markings to show where each bit rests.