Feature 1BRASS MATERIAL: Premium brass material with strong performance and higher thermal conductivity, ensuring uniform heating of the nozzle, smoother extrusion, and improving the structural strength and printing quality of interlayer adhesion. 2POWERFUL: Printing high temperature silk, softening temperature can arrive 300 , solving the problem of rapid heating and continuous printing of high temperature silk, and extending its service life. 3STRONG 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. 4APPLICABLE MODEL: These brass nozzles are suitable for End 5 S1, for End 7 3D printer and for Spider 1.0 hot end kit. 55PCS: There are 5 pieces nozzles in the package that with a 1.75mm diameter filament, and a 16.8mm length, check the size for better experience!Item Type: 3D Printer Extruder NozzleMaterial: BrassFilament Diameter: Approx. 1.75mm / 0.07inScrew: M6 threadMaximum Printing Temperature: 300 Thermal Conductivity: 105W/m.kHardness: 3.0 MohsLength: Approx. 16.8mm / 0.66in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List5 x Nozzle