Features: Fit for:It fits almost all Ender 3D printers. Ender-3Pro, Ender-3, Ender-3V2, Ender-5, Ender-5Pro, Ender-5Plus, Ender-3s, Ender-6, Ender-4, Ender-3Max, Ender-2Pro, Ender-2, CR-10S, CR-10, CR-10S5, CR-10S4, CR-10Mini, CR-20, CR-20Pro. All Metal Design & Strength Upgrade:All-metal design for better overall performance Support 300 printing and compatible with various filaments such as PLA, ABS, PETG, TPU, PP, PC, nylon, PEEK, PEI, etc.The heat break and heat sink are perfect fit to avoid pressure between them, and the strength is upgraded to extend the life of the hotend. Faster Heat Dissipation: The titanium alloy screws were used to reduce the thermal conductivity by 30%, which can reduce the transfer of heat from the heating zone to the heat dissipation zone and ensure the smooth feeding. Better Printing:The throat tube is 0.2mm thin wall thickness for excellent thermal insulation. The heat block and nozzle are made of copper alloy, and roughness of Ra0.25 on the inner wall of the nozzle to improve print quality. Compact & Easy to Install: This hotend weights only 61g. Small and exquisite size with modular standard interface design. Ready to use without modification. Specification: For: Ender-3Pro, Ender-3, Ender-3V2, Ender-5, Ender-5Pro, Ender-5Plus, Ender-3s, Ender-6, Ender-4, Ender-3Max, Ender-2Pro, Ender-2, CR-10S, CR-10, CR-10S5, CR-10S4, CR-10Mini, CR-20, CR-20Pro Nozzle: 0.4mmx1, 0.8mm x1 Size: 66x22x23mm Hotend Weight: 61g Support Filament: PLA, ABS, PETG, TPU, PP, PC, PA, PEI, etc. Support Filament Diameter: 1.750.05mm Retraction distance: Max 5mm (It can be adjusted according to the printing situation) Overall temperature resistance: 450C (excluding silicone sleeve) The inner diameter of the throat tube: 1.9mm Nozzle, throat tube Ra: Ra0.25 Package Size: 87x53x48mm/3.4x2x1.8in Package Weight: 160g/5.6oz Packing List: 1 x Adaptor 1 x copper tube 1 x thermistor 1 x thermal grease 3 x hexagonal wrenchs 2 x M3*20 screw 2 x M2 limit screw