7-piece combination tapping drill bit set by Wera in a stable plastic box. ¼" drive suitable for holders as per DIN ISO 1173-D 6.3. Comes with Rapidaptor quick-release chuck for insertion in the power screwdriver or the chuck of the electric drill. The hexagonal shaft ensures very good power transfer. HSS = high speed steel. A finely-tuned material elasticity provides for great durability. Very good centring properties. Easy cutting. Perfect chip removal. Low tilt risk. Precise return movement. Features and Benefits • Ideal for mobile repair and assembly work • Rapidaptor holder for rapid bit change • 1/4" drive suitable for power screwdrivers • Rapidaptor universal holder and combination tapping drill bits with 1/4" drive • In practical and robust plastic box Contents 1x 847/7 Set Combination Drill Bits Set, 7 pieces; 1x 888/4/1 K Rapidaptor Universal Bit Holder: 1/4"x50; 6x 847 HSS Combined Tap Bits: 2.5x36.0, 3.3x39.0, 4.2x41.0, 5.0x44.0, 6.8x51.0, 8.5x59.0