ITEM NAME:17Pc/Set 1.75Mm Teflon Throat Tube+0.4Mm Extruder Nozzle Print Heads+Heater C3U5 17Pc/Set 1.75Mm Teflon Throat Tube+0.4Mm Extruder Nozzle Print Heads+Heater C3U5 Item Type:Hardware Parts/Machine Parts Model Number:3D PRINTER ACCESSORIES Compatibility: compatible with all 1.75mm PLA ABS 3D Printer Specification of Brass Nozzle: Type:0.4mm Extruder Brass Nozzle Print Head Size:5*13mm Input Diameter:1.75mm Output Diameter:0.4mm Specification of Extruder Tube: Type:Nozzle Throat Compatibility:3D Printer Outer Thread:M6 Nozzle Throat Outer Diameter:7mm Nozzle Throat Inner Diameter:4mm Length:30mm Filament Diameter:1.75mm Specification of Heater Blocks : Name:Metal Part Specification:20*20*10mm colour:Silver + gold Material:metal Package Contents: 5 * MK8 heating aluminum blocks 5 * M6 Throat Tube 5 * MK8 nozzles 2 * wrenches