Welcome to our store! 1. 100% original creative 3D printing printer parts / accessories, high quality. 2. Nozzle tip, aluminum heat block, tube (built-in Teflon). 3. Suitable for cr10/10s/s4/s5. 4. MK8 extruder hot end kit for Creality 3D CR-10 / CR-10S, red wire is temperature thermistor, black wire is heating tube, 12V 40W, nozzle, aluminum heat block, tube (built-in Teflon). 5. Length of thermistor and heating cable: 1M. Features: 100% original creative 3D printing printer parts / accessories, high quality. Munzzle tip, aluminum heat block, tube (built-in Teflon). Suitable for cr10/10s/s4/s5. MK8 extruder hot end kit for Creality 3D CR-10 / CR-10S, red wire is temperature thermistor, black wire is heating tube, 12V 40W, nozzle, aluminum heat block, tube (built-in Teflon). Thermistor and heating cable length: 1M. Specification: Material: aluminum + stainless steel + brass + rubber Nozzle size: suitable for 0.2mm 0.4mm 0.3mm 0.5mm mk8 nozzle Operating temperature range: -40 ~ 260°C (-40 ~ 500°F) Tube length: approx. 30 mm / 1.18 inches Aluminum block size: approx. 20 * 20 * 10 mm / 0.79 * 0.79 * 0.39 inches Thermistor and heating cable length: 1m / 3.28ft Package weight: approx. 268 g Package list: 1 * Extruder kit Guaranteed satisfaction: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory after-sales service.