Bit-Check 7 Universal 4, 7 pieces 1x 893/4/1 K Universal Bit Holder: 1/4", x 50 mm 1x 851/1 Z bits: PH 2 x 25 mm 2x 855/1 Z bits: PZ 1x25 mm, PZ 2x25 mm 3x 867/1 TORX® bits: TX 15x25 mm, TX 20x25 mm, TX 25x25 mmRobust Bit-Check by Wera. Bit-Checks provide a quick overview of the tools available. Bits not needed are simply reinserted into the set and do