Feature 115 Pieces Set: The 3D printer extruder parts include 5pcs nozzle input tube, 5pcs nozzle, 5pcs heating block with good durability for you to use. 2Nozzle Input Tube: The nozzle input tube adopts stainless steel material, rust proof, 30mm length, 1.75mm input diameter, applicable for Makerbot for Reprap for Prusa I3 3D printer MK8. 3Brass Nozzle: The extruder nozzle is made of excellent brass, has good strength, corrosion proof, with M6 male thread, 2mm inner diameter. 4Widely Compatible: This kit is compatible with all 1.75mm PLA ABS 3D printer, with good stability and adaptability. 5Perfect Performance: The 3D printer hotend accessories are made in fine workmanship, possess compact appearance and stable performance.SpecificationItem Type: 3DPrinterHotendKitBrass Nozzle Specifications:Type: 0.4mm Extruder Brass Nozzle Print HeadMaterial: BrassColour: GoldSize: Approx. 5x13mm/0.2x0.5inInput Diameter: Approx. 1.75mm/0.1inOutput Diameter: Approx. 0.4mm/0.02inExtruder Tube Specifications:Type: Nozzle ThroatMaterial: Stainless SteelCompatibility: 3D PrintersMale Thread: M6Outer Diameter: Approx. 7mm/0.3inInner Diameter: Approx. 4mm/0.2inLength: Approx. 30mm/1.2inFilament Diameter: Approx. 1.75mm/0.1inHeating Block Hotend Specifications:Type: Metal PartsColour: SilverSpecifications: Approx. 20x20x10mm/0.8x0.8x0.4in .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 Throat Tube5 x 0.4mm Nozzle5 x Heating Block