Cheap And Discounts VHF K5 Dental Milling Burs For Grinding Zirconia Shank 3.0mm L40mm DC Diamond Coating Drill Diameter 2.0/1.0/0.6mm Grinding Tool Wholesale. Buy Directly From Merchant Shop1102926224 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.