Bit drill bit set 22 pcs with 12 bits in the most common dimensions and shapes: 6 bits in 25 mm, 6 bits in 50 mm, plus 5 metal drill bits, 3 socket bits, 1 countersink, and 1 quick-change bit holder; bits in 25 mm: PH2, PZ2, T15, T20, and T25; bits in 50 mm: PH2, PZ2, T15, T20, and T25, to also reach deep-sunk screws; some of the most important bit tip styles are included multiple times, all bits made of CR-V; metal drill bits in Ø 3, 4, 5, 6, and 8 mm, from HSS, with 118° tip; socket bits to tighten nuts, countersink for the flush countersinking of screws, made from CR-V, all bits and drill bits with E6.3 shaft, suitable for all commercially available power drills and cordless screwdrivers, set in S box.