The assembled replacement stock hotend for all printers including series as well as the series printers The silicone cover will keep your heater block clean and repel plastic of burnt, blackened and build-up, which can extend the life of the heater block and extruder; and help to keep the hotend temperature stable Premium quality production, not easy to block, avoid uneven extrusion, and provide stable output The hot end kit come with white wire(temperature thermistor), braided wire(heating tube 24V 40W), throat pipe (built-in PTFE) The hot end can work with different size nozzles, from 0.2mm to 1.0mm Note: Some product details are in random colors and have the same functions, don't accept the specified color. Material:Plastic, brass, gold colour:Red+gold Package Contents: 1 x Aluminum Block 1 x Heating Tube 1 x M6x30mm Throat Pipe (Built-in PTFE) 1 x Thermistor +Brass Sleeve 1 x 1.75mm 0.4mm Brass Nozzle 5 x 1.75mm 0.4mm Brass Nozzle 5 x 0.4mm Cleaning Needles 1 x Silicon Cover Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.