Features: The CHT high flow nozzle has three additional hole devices compared to ordinary nozzles, which can improve printing accuracy and speed. The three hole device can provide twice the flow rate of a nozzle compared to a regular nozzle Improve printing speed to prevent scratching of printing components during the printing process and prevent printing failure supports 1.75 and3.0 filaments universality. The chamfered cuttingaperture is rounded, and the nozzle surfaces smooth, reducing the resistance of edges to consumables and avoiding uneven wire discharge and blockage Specifications: Specification: 0.4mm 0.6mm 0.8mm Optional Filament: 1.75mm Thread: M6 Size: as Pictures Used for Ender3 5 7 Series Material: Hardened Steel/ Brass/ Coppering Quantity:1PC Package Includes: 1PC Metal Nozzle note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolution