This Erbauer steel (s2 grade) mixed impact bit comes with 113 pieces Erbauer Mixed Impact Bit Set includes 25mm: 4x Philips (PH0, PH1,PH2 & PH3), 3x Slotted (SL3, SL4,SL5,SL5.5,SL6 & SL6.5), 3x Pozidriv (PZ0,PZ1,PZ2 & PZ3), 3x Hex (H3, H4, H5 & H6), 3x Square (SQ0, SQ1 , SQ2 & SQ3), 3x Torx (T10, T15, T20, T25, T27, T30 & T40), 1x Ts (Ts10, Ts15, Ts20, Ts25, Ts27, Ts30 & Ts40); 90mm: 3x PH2, 3x PZ2, 2x (T10 & T15), 1x (T20, T25 & T30), 1x Bit holder, 1x Quick Change Chuck Geometrically designed precision tip that fits into fasteners more precisely, reducing stripping and cam-out Erbauer Mixed Impact Bit Set is made from cold-forged high-grade steel that makes this a heavy-duty product, capable to withstand high torque output Highly visible laser-etched markings Bits are built with impact drivers for maximum durability and long life Shank type: Hex; Standard: DIN 3126