Cheap And Discounts 7 Set 12Mm Shank 45HRC Lathe Boring Bar Turning Tool Holder Set With Carbide Inserts For Semi-Finishing And Finishing Wholesale. Buy Directly From Merchant Good HO-ME Appliances Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.