【Confirm】Designed for Marathon-IV micromotors and rotary tools that accept 3/32" shank accessories. Please check your handpiece or collet size before purchase
【Tapered Cone Point for Detail Work】The slim tapered cone shape helps reach small holes, grooves, curves, edges and tight areas, making these burr bits useful for shaping, refining, engraving and fine detail grinding
【Diamond-Coated Grinding Surface】The diamond abrasive coating helps grind and shape hard materials such as stone, jade, glass, ceramic, shell and jewelry materials with controlled cutting action for craft and lapidary work
【10-Piece Replacement Pack】Includes 10 tapered diamond burr bits, giving you extra replacements for repeated use in jewelry making, craft projects, model work, small repairs and woodworking detail tasks
【Use Tips for Better Results】For best performance, use light pressure and steady speed. When grinding glass, ceramic or stone, adding water or coolant can help reduce heat buildup and extend burr life