Cheap And Discounts Dental Lab Zirconia Block 4D Pro 98 For Dental CAD CAM Crown Transparency 43-57% Strength 700-1200 VITA 16 & BL1-4 &OM1-4 Wholesale. Buy Directly From Merchant Shop1104036047 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.