Cheap And Discounts G10 Zirconia Ceramic Balls ZrO2 Ceramic Bearing Ball Dia 1.5/1.588 /2 /2.381 /2.5/2.778/3/ 3.175/3.5m/3.969/4/4.5/4.763/5 - 16mm Wholesale. Buy Directly From Merchant GLKJ Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.