Check the listing for details. 14pc Diamond Ball Bur Set, 120 grit. Condition: New. Listed at 35.00 USD. 14pc Small Diamond Ball Bur Set120 grit Set You are purchasing one new 14pc Diamond Ball Bur Set. The outside diameters run from 2mm to 15mm.The shaft diameter is 1/8". See our other listings for other grit sizes These are high quality diamond carving tools. Check our other ebay listings and ebay Store for 4"x1-1/2", 6"x1-1/2" and 8"x1-1/2" diamond grinding wheels in 60, 80, 120, 220, 400, 600 and 800 grit sizes along with other diamond carving tools. Shipping and handling to USA destinations:Free Caution: Always use goggles and water when using diamond tools. Use water to lubricate these burrs. Return Requirements:Burr sets cannot be used and must be returned in new condition. Partial sets are not returnable. May be returned within 30 days of purchase.