【Package Contents】You will receive 5 pieces woodworking cutters for the drill (ball cutter + oval cutter + cylinder cutter + tenon cutter + cone cutter). From shaping and grinding to deburring and polishing, you can use the different cutters to cut different materials. 【High-quality materials】These rotary cutters are made of 45 steel with high-quality black finish by immersion in fire, which guarantees their sharpness and durability. They are heat resistant so you can use them at high speeds without worrying about overheating or wear. Precise cutting: With the right rotary tool, you can easily maneuver our cutters and get exactly the cut you need. They are designed to provide precision and control so you can work safely and achieve professional-quality results at all times. 【Wide range of applications】The round handle with a diameter of 6.3 mm can be used with most small rotary tools. This durable rotary file set is suitable for lapping, carving, digging, chamfering, engraving and