Cheap And Discounts 10Pcs/Lot 3D Printer Brass Copper Nozzle Sizes 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm Extruder Print Head For 1.75mm MK8 Makerbot Wholesale. Buy Directly From Merchant Creality3d- Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.