Item Type: Hot End Material: Aluminium alloy, stainless steel, brass. Installation Method: Male thread connection. Scope of Application: For Ender 3, for Ender 3s, for Ender 3 Pro. Nozzle Size: Approx. 0.4mm / 0.02in Throat Length: Approx. 30mm / 1.18in Aluminium Block Size: Approx. 20 x 20 x 10mm / 0.79 x 0.79 x 0.39in Operating Temperature Range: -40~+260, that is, -40~+500. Cable Length of Thermistor and Heater: Approx. 1.2m / 3.94ft Package List 1 x Hot End 1Reliable Working: Can withstand a high temperature up to 260, that is, 500, the hot end extruder enables better printing. 2Safer Connection: The extruding nozzle ensures secure connection with the tube, which can effectively prevent from leakage. 3Perfect Matching: Very suitable for Ender 3, for Ender 3s, for Ender 3 Pro and many other 3D printers, useful and reliable. 4Premium Material: Combining premium aluminium, stainless steel and brass materials, the MK8 hotend is durable for long use. 5Easy to Install: Comes with a compact size and a light weight, the simple installation can be quickly completed in minutes.