Rotary Diamond Grinding Burr Bit Set, 20Pcs Stone Engraving Set Tool Accessorries with 1/8 Inch Shank for Jade, Gemstone, Stone Grinding Head Carving, Polishing, Grinding(60 Grit)

20pcs Diamond Grinding Heads 3mm Shank Mini Bit Set for Rotary Drill Tool Burrs Grinding Accessories Specification: Material: coated emery Size: As shown in the picture Shank diameter: 3mm(1/8") Package size: 15 * 5.5 * 1cm/5.9*2.2*0.4'' Package Included: 20Pcs Diamond Grinding Burr Bit Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.