Specification Brand : EVTSCAN BulletPoint1 : APPLICABLE : This extruder hotend assembly is suitable for Neptune 4 and for Neptune 4 Pro 3D printer, has strong compatibility, which can directly replace old or damaged ones. BulletPoint2 : ASSEMBLED PRODUCT: The extruder hotend kit has been assembled, just insert the wire and install it on the printer to use. Please adjust the hot bed again to improve printing accuracy and quality. BulletPoint3 : HEAT : This hotend assembly has a high temperature of 300℃, the heating block is compatible with various filaments such as PLA, ABS, PETG, TPU, PP, PC, nylon, etc. BulletPoint4 : FAST COOLING: The heatsink and nozzle (Ra0.3 roughness) are made of copper alloy, effectively isolating heating and heat dissipation, reducing blockages, and improving printing success rate. BulletPoint5 : COMPONENTS: With excellent nozzle, heating rod, heatsink, thermistor, silicone cover and heatbreak, this printer hotend assembly is stable and , and you can use it with confidence. IncludedComponents : No ItemName : Extruder Hotend Assembly All Metal Nozzle Heating Rod Heatbreak Heatsink for Neptune 4 4Pro 3D Printer ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : 3d-printer-extruders Manufacturer : EVTSCAN ModelName : EVTSCANgsgve657fp ModelNumber : EVTSCANgsgve657fp NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : EVTSCANgsgve657fp ProductDescription : Item Type: Hotend Assembly Material: Aluminum Alloy