Specification Brand : Tyenaza BulletPoint1 : Excellent Components: This hotend is composed of 24V 40W heating pipe, heating aluminum block, 0.4mm nozzle, with heat sink and air pipe connector. BulletPoint2 : Applicable for: This extruder hotend is suitable for Anet ET4, for Anet ET4 Pro 3D printers, is an ideal replacement part. BulletPoint3 : Wide Working Range: The working temperature range of this extruder hotend is ‑40℃ to 260℃, practical and functional. BulletPoint4 : Easy Connection: The connection type is external connection thread, which is easy to install, this extruder hotend is simple to operate. BulletPoint5 : Premium Materials: The 3D printer extruder hotend is made of aluminum, stainless steel and brass, which is highly sturdy, wear . ExternallyAssignedProductIdentifier : 7902141124450 ItemName : Tyenaza 3D Printer Extruder Hotend DC24V 40W Heating Tube 0.4mm Brass Nozzle Heating Aluminum Block Printer Hotend Kit for ET4 ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : 3d-printer-extruders Manufacturer : Tyenaza ModelName : Tyenazaibfwhk32px ModelNumber : Tyenazaibfwhk32px NumberOfItems : 1 PartNumber : Tyenazaibfwhk32px ProductDescription : Item Type: 3D Printer Extruder Hotend Material: Aluminum, stainless steel and brass Connection Type: External connection thread Applicable : For Anet ET4, for Anet ET4 PRO, etc. Heating Tube: 24V 40W Operating Temperature Range: -40℃ to +260℃ Heating Aluminum Block: Approx. 20x20x10mm/7.9x7.9x3.9in Nozzle: Approx. 0.4mm/0.2in