Features Basic Value: Our hot end extruder print head has a power of 40W. The nozzle size is 0.4mm or 0.02 inches. The port is XH2.54, 2Pin. Scope of Application: This hot end extruder print head is suitable for 1.75mm or 0.07 inch consumables. The heat block of this head is suitable for I3 Mega 3D printers. Leakage Prevention: The end of the print head's throat is angled at 45° for smooth feeding, with a smooth opening section and seamless nozzle connection to prevent leakage. Easy to Install: The thermistor and heating rod of the print head have the same wire length as the original, making installation simple and convenient. Aluminum Alloy and Silicone Material: The overall extruder print head is made of aluminum alloy and silicone material with exquisite craftsmanship, ensuring long-lasting use. Specification Item Type: Hot End Extruder Print Head Set Material: Aluminum Alloy, Silicone Power: 40W Application: Suitable for 1.75mm (0.07 inch) consumables Nozzle Size: Approx. 0.4mm / 0.02 inch Port: XH2.54, 2Pin Package List 1 x Extruder Print Head 1 x Silicone Cover