Cheap And Discounts Deep Groove Milling Cutter Mini Long Neck End Mill D0.2-3 Carbide CNC Tool 2/3/4/6/8/10/12/16/20/25 Lengthened Deep Hole Wholesale. Buy Directly From Merchant Yun Shang Mao Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.