7Pcs Diamond Grinding Burr Drill Bits Set for Engraving and Polishing VERSATILE SIZES AND SHAPES: This set includes seven different grinding bits, such as spheres, cones, cylinders, and more, tailored to meet all your engraving, trimming, and polishing needs. Perfect for detailed craftsmanship in a variety of materials. BROAD APPLICATION: Ideal for numerous tasks including grinding, engraving, trimming, polishing, carving, deburring, and more. Whether working on stone, stained glass, or headstones, these bits handle a wide range of materials and applications. ROBUST DIAMOND CONSTRUCTION: Crafted from diamond particles, these bits offer exceptional wear resistance and . Their high hardness and impact resistance make them ideal for fine detail work on even the toughest materials. MULTI-MATERIAL COMPATIBILITY: Easily work on glass, metal, hardwood, marble, , ceramics, and gemstones. These diamond grinding burrs are designed for sanding and engraving, making them versatile for various crafting needs. UNIVERSAL FIT: Equipped with a universal 1/4" hex shank, these diamond grinder bits are compatible with most rotary tools and die grinders. This feature ensures easy attachment and wide tool compatibility, enhancing your crafting experience. Description: The Diamond Grinder Bit Set is designed for a variety of detailed tasks including polishing, engraving, sanding, and grinding. This versatile set is perfect for working with materials such as glass, metal, hardwood, marble, , stone, ceramics, gemstones, and . Each bit features a 1/4" hex shank for easy attachment to your grinding tool, ensuring a secure fit and optimal performance. Features: Color: Blue Shank Diameter: 1/4 inch Ideal for polishing, engraving, sanding, and grinding Suitable for use on glass, metal, hardwood, marble, , stone, ceramics, gemstones,and more Set includes 7 diamond grinder bits Package Content: Warm Tips: 1. The Grinder Bit is very ; keep out of reach of children. 2. Wear appropriate protective gear during use to prevent injury from splashing debris. 3. Store the bits in the provided storage box after use to prevent oxidation and damage. Material: Metal Package Contents: 1 x Diamond Grinder Bit Set (7 pieces Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.