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. 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. ROBUST CONSTRUCTION: Crafted from 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 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 grinder bits are compatible with most rotary tools and die grinders. This feature ensures easy attachment and wide tool compatibility, enhancing your crafting experience., Weight: 0.35384193051 Pounds, Manufacturer: Aboiled