The detachable bit bar contains 20 coloured bits made of high-quality S2 steel (molybdenum-vanadium steel): (Philips PH) 1 - 2x 2 - 3 / (philips PZ) 1 - 2 - 3 / (slit) 4 - 6 / (outer hex SW) 4 - 5 - 6 / (TX) T10 - T15 - 2x T20 - T25 - T27 - T30 - T40