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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia