Cheap And Discounts 21PCS Set 10mm 12mm Shank Lathe Boring Bar Turning Tool Holder Set Carbide Inserts Lathe Metal Cutter Wood CNC Machine Tools Wholesale. Buy Directly From Merchant Libraryno Tool Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.