10pcs Dental Grinding Heads Tungsten Steel Teeth Polishing Burs Dental Lab Grinding Drill Grinder Dentistry Equipment Burs

100% brand new and high quality The diameter of burs is 2.35mm. The length of shank is 3.5cm Great for grinding both metals (i.e. copper, aluminum, etc.) and non-metallic materials (marble, jade, plaster, etc.) HRA processing hardness = up to 80 High efficiency grinding - Up to 1000% more efficient than manual files and wheels Replaces small grinding wheels thereby reducing dust pollution Extremely durable - Lasts up to 10X longer than than high-speed steel cutting tools, and 200 times longer than wheels Allows for smooth, precise, and high-quality cuts and finishes Safe, reliable and easy to use! Weight : 5oz. Packing List 1 box including 10 burs as our picture shows