Cheap And Discounts Dental Lab VHF-N4 Glass Ceramic Milling Bur Shank 3mm,Length 35mm for E.max,Lithium Disilicate CADCAM Milling Cutters Wholesale. Buy Directly From Merchant Dental Supply Center. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.