8-piece countersink bit set in a stable plastic box for countersinking and deburring. The hexagonal shaft ensures very good power transfer. Ensures rattle and score-free working. Perfect chip removal and great durability. High quality, ergonomic bit holder equipped with a magnet. The Rapidaptor ensures rapid bit change without any extra tools. For insertion in the power screwdriver or for use in the chuck of the electric drill. Features and Benefits • Ideal for mobile repair and assembly work • Rapid, uncomplicated change between drill, countersinking or screwdriving bit • 1/4" drive suitable for power screwdrivers • For countersinking and deburring • 1-flute Contents 1x 845/8 1-flute Countersink Bits Set, 8 pieces; 1x 816 R Bitholding screwdriver with Rapidaptor quick-release chuck: 1/4"x119; 1x 888/4/1 K Rapidaptor Universal Bit Holder: 1/4"x50; 6x 845 1-flute Countersink Bits: 6.30x32.0, 8.30x32.0, 10.40x34.0, 12.40x36.0, 16.50x40.0, 20.50x43.0