1、Brass Material: With strong performance and high thermal conductivity, ensures uniform heating of the nozzle, smoother extrusion, and improves the structural strength and printing quality of interlayer adhesion. 2、Good Performance: Printing high temperature fiber, and the temperature can get to 450 ℃, extending its service life. 3、5pcs in All: M6 standard thread, has 16.8mm length, and applicable to 1.75mm filament, very practical and reliable for 3D printing. 4、Strong Compatibility: Compatible with most FDM printing materials such as PLA, ABS, PETG, TPE, TPU, PC, and high temperature consumables such as PEEK, PEKK, PEI, PSU, PPSU, etc. 5、Application Scope: These brass nozzles are suitable for Creativity End 5 S1, for End 7 3D printers and , for Spider 1.0 hot end kits. Item Type: 3D Printer Extruder Nozzle Material: Chromium Zirconium Copper Filament Diameter: Approx. 1.75mm / 0.07in Screw: M6 Thread Maximum Printing Temperature: 450 ℃ Thermal Conductivity: 330W/m.k Hardness: 6.0 Mohs 5 x 3D Printer Extruder Nozzle