Specification Brand : MOOKEENONE BulletPoint1 : Diamond Grinding Burr: 6 shape, evenly coated with diamond particles, Different grinding heads for grinding, engraving, cutting, polishing, engraving and etching, for hard materials such as stone, glass, metal, hardwood, ceramic tile, marble, granite. BulletPoint2 : Abrasive Mounted Stone: 10 sizes. Head shape cylinder, tapered. Suitable for all kinds of mold polishing, metal, wood, jade, agate, DIY grinding and polishing deburring. BulletPoint3 : Material: Made of Metal Carborundum. BulletPoint4 : Diamond Cutting Wheel: Evenly coated with diamond particles, Suitable for cutting gems, glass, ceramics, tiles, rocks, aluminum and copper. BulletPoint5 : Grinding and Polishing Bit Cutting Wheel Kits: Suitable for cutting, engraving, grinding, polishing, deburring and more. Suitable for most common rotary tools and can be used with electric grinders or other rotary tools. ItemName : 42Pcs Diamond Coated Grinding Burrs Sets, Metal Diamond Grinding Burr Carving Bits Grinding Bits Grinding Head ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : power-rotary-tools Manufacturer : MOOKEENONE NumberOfItems : 1 PartNumber : 90+D319700000 ProductDescription : Features: Diamond Grinding Burr: 6 shape, evenly coated with diamond particles, Different grinding heads for grinding, engraving, cutting, polishing, engraving and etching, for hard materials such as stone, glass, metal, hardwood, ceramic tile, marble, granite. Abrasive Mounted Stone: 10 sizes. Head shape cylinder, tapered. Suitable for all kinds of mold polishing, metal, wood, jade, agate, DIY grinding and polishing deburring. Diamond Cutting Wheel: Evenly coated with diamond particles, Suitable for cutting gems, glass, ceramics, tiles, rocks, aluminum and copper. Grinding and Polishing Bit Cutting Wheel Kits: Suitable for cutting, engraving, grinding, polishing, deburring and more. Suitable for most common rotary tools and can be used with electric grinders or other rotary tools.