1/8" Shank Diamond Burr Bits 20PCS for Dremel Rotary Tool Stone Glass Engraving Polishing ApplicationDiamond Burrs are suitable for polishing, grinding, engraving, etching and can be used on stone, glass, metal, hardwood, tiles, ceramics, marble, granite and other hard materials.<br> <br> 60 Grit Diamond ParticlesThe 60 grit diamond bits with rough surface. Faster than coarse diamond burrs for grinding, polishing and engraving. Produces a smooth surface when grinding at high speed.<br> <br> Different ShapesThe diamond burr set includes 10 different heads. Different shapes will meet your different needs. Highly recommended for DIY, crafts, carving hobbies, etc.<br> <br> Universal Shank Size3mm (1/8") shank is compatible with Dremel, GOXAWEE, APEXFORGE, SPTA, TECCPO, Vastar multi-function rotary tool.<br> <br> Note: The data are all measured manually, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received.