Description- Brand new 20pc diamond burr set 1/8" shank in 180 grits Works great on all natural materials, ceramics, tile, glass, bone & wood Good for carving, grinding, sanding, etching and more... Long lasting when coolent is used Comes in a plastic case for easy storage Approximately 2 inches in length with a variety of head shapes for most applications 10 sets on sale for this listingBrand new