Cheap And Discounts I3 Mega/S/X Chiron Vyper Hotend 40W Extruder Heat Block Kobra Max 3D Printer Parts 0.4mm Hot End Extrusion Kit Wholesale. Buy Directly From Merchant MEWTWO FACTORY Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.