Bit-Check 7 Hex-Plus 1, 7 pieces 1x 895/4/1 K Universal Bit Holder: 1/4", x 52 mm 6x 840/1 Z bits: 2x25 mm, 2.5x25 mm, 3x25 mm, 4x25 mm, 5x25 mm, 6x25 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. The Hex-Plus profile offers a greater contact surface in the head of the screw. The notching effect is therefore reduced to a minimum and damage to the screw head more or less eliminated. Tough viscous for universal use. Includes universal holder for the take-up of bits with hexagon head drive as per DIN ISO 1173-C 6.3. Comes with quick-release chuck for rapid bit change, the strong permanent magnet holds the bits absolutely securely.