Features 1、HOTEND KIT: 3D printer extruder hot end kit, white wire is temperature thermistor, woven wire is 24V 40W heating tube, with male thread connection. 2、PTFE TUBE: Equipped with low friction PTFE tube for higher responsiveness, less retraction, more accurate printing and less clogging, less slip and wear. 3、SIMPLE WIRING: Wires from the control box are connected to the junction box and pins for easy insertion into the hot end kit for easy replacement. 4、SPARE PARTS: There are more terminal housings and pins as spare accessories in case of installation failure and waste, which is efficient and durable. 5、FITTING AND NOZZLE: With standard pneumatic fittings and brass nozzles, which are standard in size, stable in performance, and easy to install and replace. Specification Item Type: 3D Printer Extruder Hotend Kit Installation Method: Male thread connection Nozzle Size: 0.4mm Operating Temperature Range: -40℃-+260℃ (-40-+500℉) Package List 1 x Assembled Extruder Hot End Kit 1 x PTFE Tube 2 x CR10 Silicone Cover Black 2 x KJH M6 Pneumatic Connector 2 x PC4 01 Pneumatic Connector 2 x MK8 Brass Nozzle 0.4mm