Cheap And Discounts 2PCS / LOT MK8 M6 Throat 6 * 30mm Stainless Steel Thread Longer Feeding 1.75mm Filament 3D Printer Parts Suitable for Printers Wholesale. Buy Directly From Merchant 3D print consumables Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.