5Pcs Diamond Grinding Head Round Ball Burr Drill Bit Set For Carving Engraving Drilling 5-12mm Spherical Emery Grinding Head Features: *Diamond Grinding Wheel:Made with diamond particles, this grinding wheel offers a sturdyand efficient grinding experience. *Smooth and Efficient Grinding:The wheel's hard texture and good concentricity ensure smooth grinding and high efficiency. *Versatile Use:Suitable for polishing various materials such as jade, bodhi, wood, and die steel. *Round Shank Design:This diamond wheel features a round shank with a diameter of 3mm, ensuring a secure and stable fit. *Multiple Wheel Sizes:Comes in a set of 5 with different wheel sizes, 5mm, 6mm, 8mm, 10mm, 12mm, providing versatility for different grinding needs. Specifications: *Product Name:Round Grinding Wheel *Material:Diamond particles+Alloy *Size:Approx.5mm, 6mm, 8mm, 10mm, 12mm(Wheel Size) * Shank diameter:About 3 mm *Color:Silver *Applications:Forpolishing jade, bodhi, wood, die steel andother materials Package Content: 5 *Grinding Wheels Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_