Full specs: The carbide rotary file set includes 10 kinds of different rotary files to meet the processing needs of different scenarios, finish machining various metal molds, remove burrs, burrs and welds, cut various mechanical parts and various engravings metallic and non-metallic, etc. High quality: The cutter head is made of high quality carbide steel with extremely high hardness, good toughness, heat resistance and corrosion resistance. The tool life is 10 times longer than high speed steel tools and over 200 times longer than small grinding wheels. High efficiency: Double cutter head design, faster cutting time and better polishing effect, greatly improving work efficiency, processing efficiency is 10 times higher than manual filing, and nearly 10 times higher than manual filing. a small grinding wheel with handle. Wide range of applications: Rotary cutters are suitable for a variety of materials such as wood, plastics and softer metals such as aluminum. The holder is compatible with most tools such as rotary tools, lathe tools, grinders, drills and other multi-tools. Carbide Cutter Set 3 mm, Carbide Rotary File,For Wood and Stone Carving and Cleaning Burrs and Welds Basic Product Information: Product name: Carbide Burr Set Size: 3*3mm Quantity: 20 Material: Tungsten carbide steel Cutting method: Double cut Features: 1. The rotary cutters are made of high quality carbide 2. A variety of different cutters, such as conical cutter, V-shaped cutter, cylindrical cutter. A variety of knives will fully meet your DIY needs 3. High hardness, wear resistance, good strength/toughness, tool life is 10 times longer than high speed steel tools and over 200 times longer than small grinding wheels. 4. The double-cut design improves work efficiency. The processing efficiency is 10 times higher than manual files and nearly 10 times higher than small rod grinding wheels. Application scenarios: Mold making, mechanical chamfering, grooving, cleaning, molding, welding. Scope of application: Suitable for a variety of materials such as wood, plastic and softer metals such as aluminium. The stand is compatible with most tools such as rotary tools, turning tools, grinders, drills and other multi-tools. Package Contents : 1*Set of Carbide Cutters