Tungsten Carbide Single Cut Rotary Roller SET 1/8 Shank Fit Shank diameter: 3mm, Shank length: 35mm, Cutting diameter: 6mm Material: Tungsten | Carbide use: Rotary burring, high micro hardness, high abrasion resistance, good toughness High performance on processing copper, aluminum, alloy, iron, marble, jade, steel, glass, wood and plaster, etc. Highly recommended for polishing metals and plastics, jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and many more Character: *Processing quality, high finish. * Easy to learn, easy to use, safe and reliable. * Can be made into a variety of high-precision shaped mold cavity. * Durability than high-speed steel tool to improve ten times, more than 200 times higher than small grinding wheel. Specification: * Drill Size: 6mm * Shaft diameter: 3mm *Compatibility: small rotary tools and high speed polisher * Optimal rotation speed is 6000-40000 r/min * Includes: 10 solid tungsten steel rims in a storage box It is recommended to use water as a lubricant when using these burrs. All burrs in this set have a tail size of (3mm) allowing them to be compatible with most grinders and rotary tools as you form, grind and finish your job with precision. * When the job or project is done, you'll be happy to place your burrs in the compact storage case so you can store, organize, and transport this set for future use. Content: 10pcs Rotary Cutter Tools