【High quality】Diamond bits mounted with premium diamond particles, durable excellent and sharp cutting, Works on glass, stone, ceramic, jade, jewelry, wood, plastic and other hard material.
【Feature】Various grinding head shape: ball, cylinder,cone,needle etc, meet your different carving/engraving need
【Ease to use】All diamond burrs with 1/8" shank, compatible with most rotary tools and die grinders. Note: replace the rotary collet with 3.2mm before using.
【Widely used】Highly recommended for carving and polishing stones, metal, jade and ceramic, DIY craft, craft modeling, home repair (wood, some plastic and dogs' nails) etc.
【Package includes】30pcs diamond grinding bits packaged in a sturdy plastic box, falling resistant and moistureproof, easy to carry and stock, well organized to prevent scattered and confused.