Robust 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 for the take-up of bits with ¼" hexagon head drive. Can be inserted in the power screwdriver or for use in the chuck of the electric drill. Multi-component Bit-Check that can be positioned upright for permanently secure bit storage. 1x 899/4/1 Universal Bit Holder: 1/4" x 50 mm; 8x 851/1 Z bits: 3x PH 1x25 mm, 3x PH 2x25 mm, 2x PH 3x25 mm; 9x 855/1 Z bits: 3x PZ 1x25 mm, 3x PZ 2x25 mm, 3x PZ 3x25 mm; 6x 867/1 TORX® bits: TX 10x25 mm, TX 15x25 mm, TX 20x25 mm, TX 25x25 mm, TX 30x25 mm, TX 40x25 mm; 3x 800/1 Z bits: 0.6x4.5x25 mm, 1x5.5x25 mm, 1.2x6.5x25 mm; 3x 840/1 Z bits: 4x25 mm, 5x25 mm, 6x25 mm