Product Description Mellow 3D Printer Parts All Metal NF Smart- CR10 Hotend Extruder Kit For Upgrade Creality Ender 3 Ender 3 Pro Micro Swiss . Brand Name:MellowItem Type:Hot EndModel Number:8SCR10HDNozzle Type:Mk8Heat Block Material:Aluminum / CopperNozzle Material:Brass / Copper / Hardened steel |