Brass Material: Offers strong performance and high thermal conductivity, ensuring uniform heating of the nozzle, smoother extrusion, and improved structural strength and print quality with better interlayer adhesion. Good Performance: Suitable for printing with high-temperature filaments, capable of reaching temperatures up to 450°C, extending service life. 5pcs Included: Features M6 standard thread, 16.8mm length, compatible with 1.75mm filament, practical and reliable for 3D printing. Strong Compatibility: Works with most FDM printing materials including PLA, ABS, PETG, TPE, TPU, PC, and high-temperature consumables such as PEEK, PEKK, PEI, PSU, PPSU. Application Scope: Compatible with Creativity End 5 S1, End 7 3D printers, and Spider 1.0 hot end kits. Item Type: 3D Printer Extruder Nozzle Material: Chromium Zirconium Copper Filament Diameter: 1.75mm / 0.07in Screw: M6 Thread Maximum Printing Temperature: 450°C Thermal Conductivity: 330 W/m·K Hardness: 6.0 Mohs Package List: 5 x 3D Printer Extruder Nozzle