Application: Ender-3/CR-10/CR-10S Pro Nozzle size: 0.4mm/1.75mm Teflon tube: 0204,length:1m Heating tube: 24V 40W, Length: 1m Thermistor: 100K NTC 3950 ±1% ,Length 1m Note： The color of the silicone sleeve is not necessarily black, the color is random.If you need specified color, please leave us message, thank you. Feature: Made of high-quality metal material, durable, firm and stable to use. This is a hotend upgrade for CR-10S Pro style extruders. White cable is 100K thermistor, red line is 12V/24V 40W heating rod, blue is the high-temperature resistant PTFE tube, suitable for 1.75mm fitment. Easy and simple to install and replace, very practical and useful. Tip of the nozzle, aluminum heating block, Throat pipe Good and excellent 3D Printer Kit and accessories. Package list： 1set CR10 Hot End kit(as the picture shows) link : https://dzinotech.com/product/3d-printer-parts-24v-assembled-extruder-hotend-kit-nozzle-aluminum-heat-block-for-ender-3-cr10-cr10s-pro/ link 2 : https://dzinotech.com/product/3d-v6-j-head-hotend-extruder-1-75mm-filament-0-4mm-nozzle/