Bits made from chrome vanadium steel (S2 quality), Bits with colour coding: for quick and easy finding of the right bit, L=70 mm (14 pcs.): PH1 1x, PH2 2x, PH3 1x, PZ1 1x, PZ2 1x, T20 2x, T25 2x, T30 1x, T40 1x, SL4 1x, SL6 1x, 1 x Magnetic quick-change bit holder