Cheap And Discounts CBN Inserts RNGN090300A PCD Diamond Milling Plate for Round Tool Holder 10mm 12mm Cutter Support Holder for Turing Insert PCBN Wholesale. Buy Directly From Merchant Shop1104930358 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.