7Pcs Diamond Grinding Burr Drill Bits Set for Precision 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 precision 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, precision 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 ; k