Cheap And Discounts 10PCS KNUX160405 NC3030 NC3020 Substituted CUTTING TOOL Inserts Steel Turning Tool KNUX160405R NC3030|Turning Tool| - AliExpress Wholesale. Buy Directly From Merchant LRC Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.