Robust plastic box containing 816 R bitholding screwdriver with Rapidaptor quick-release chuck for fast, tool-free change between drill, countersinking or screwdriving bits and high quality, ergonomic handle. Includes 6 bits for deburring, chamfering and countersinking. Bits feature a 90° cutting section with 3 cutters, providing excellent chip removal and a low tilt risk. Finely-tuned material elasticity for durability. ¼" hex drive suitable for holders with take-up. Ideal for mobile repair and assembly work. Suitable for power screwdrivers. Chrome Molybdenum Steel Blades Ergonomic Handle Rapidaptor Quick-Release Chuck For Deburring, Chamfering & Countersinking Suitable for Power Screwdrivers Chrome Molybdenum Steel Blades Ergonomic Handle Rapidaptor Quick-Release Chuck For Deburring, Chamfering & Countersinking Suitable for Power Screwdrivers