Bit-Check 10 Universal 2, 10 pieces 1x 895/4/1 K Universal Bit Holder: 1/4", x 52 mm 3x 855/1 TH bits: PZ 1x25 mm, 2x PZ 2x25 mm 6x 867/1 TORX® bits: TX 10x25 mm, TX 15x25 mm, TX 20x25 mm, 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 are simply reinserted into the set and do not get lost. Simple transportation e.g. in the shirt pocket. Includes universal holder with strong permanent magnet and quick-release chuck for the take-up of bits with hexagon head drive as per DIN ISO 1173-C 6.3. For insertion in the power screwdriver or for use in the chuck of an electric drill. Includes Torsion bits to combat premature wear, extra-hard.