90 PCS Diamond Burrs 3mm Shank 120 Grit Grinding Wheel Drill Bit Diamond Engraving Carving Shape Drilling Tool Filing Polishing Deburring for Glass Stone Wood Ceramic Milling Machine Grinder

General Description: These 3mm diameter diamond burrs are made of high-quality, fine-grained hard alloy. This kit includes 90 pieces with 120 grits, offering a variety of shapes and sizes to meet diverse engraving and carving needs. These tools are ideal for working on hard materials such as ceramics, granite, glass, metal, plastic, and many others. Technical Specifications: Shank Diameter: 3mm; Grits: 120; Available Shapes: Ball, Cone, Spherical Cone, Cylinder, Conical Point, Needle; Compatible Materials: Glass, Ceramics, Stone, Metal, Plastic, Wood; Compatibility and Accessories: Compatible with most rotary tools and grinders; Comes with compact storage cases for easy organization; Usage: It is recommended to use water as a lubricant when using these burrs to prevent dust from splashing. They are simple, practical, safe, and reliable to use, making them ideal for crafts, hobbies, home repairs, and jewelry making.