8-piece countersink bit set in a stable plastic box for deburring, chamfering and countersinking. The finely-tuned material elasticity provides for great durability. Perfect chip removal and a low tilt risk ensure pleasant working. Cutting section as per DIN 335-C, 90° with 3 cutters. High quality, ergonomic bit holder equipped with a magnet. The Rapidaptor quick-release chuck ensures rapid bit change without any extra tools. ¼" hexagon, suitable for holders with take-up as per DIN ISO 1173-D 6.3.