Creality K1 Nozzle Kit Official 5pcs 3D Printer Hardened Steel Nozzles 0.4mm High-Speed Printing and High Flow Extruder Nozzles for Creality K1 Max CR-M4 CR-10 SE Ender 3 V3 KE 3D Printers. COPPER ALLOY WITH HIGH THERMAL CONDUCTIVITY AND HIGH FLOW: The Creality K1 hardened steel Nozzles 0,4 extruder Black Kit features nozzles made of copper alloy with exceptional thermal conductivity, boasting a high thermal conductivity value of 330W/m·k.
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