Bit-Check 10 Impaktor 2, 10 pieces 1x 897/4 IMP R Impaktor holder with retaining ring and ring magnet: 1/4", x 75 mm 4x 851/1 IMP DC Impaktor bits: 3x PH 2x25 mm, PH 3x25 mm 5x 867/1 IMP DC Impaktor TORX® bits: 3x TX 25x25 mm, TX 30x25 mm, TX 40x25 mmRobust Bit-Check by Wera. Bit-Checks provide a quick overview of the tools available. Bits not needed ar