Welcome to our store! 1. 100% original creative 3D printing parts/accessories, high quality. 2. Nozzle tip, aluminum heat block, tube (with 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 sensor, black wire is heating element, 12V 40W, nozzle, aluminum heat block, tube (with built-in Teflon). 5. Temperature sensor and heating cable length: 1M. Features: - 100% original creative 3D printing parts/accessories, high quality. - Nozzle tip, aluminum heat block, tube (with 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 sensor, black wire is heating element, 12V 40W, nozzle, aluminum heat block, tube (with built-in Teflon). - Temperature sensor and heating cable length: 1M. Specifications: - Material: Aluminum + stainless steel + brass + rubber - Nozzle size: Suitable for 0.2 mm 0.4 mm 0.3 mm 0.5 mm MK8 nozzle - Operating temperature range: -40 ~ 260°C (-40 ~ 500°F) - Nozzle length: Approximately 30 mm / 1.18 in - Aluminum block size: Approximately 20 * 20 * 10 mm / 0.79 * 0.79 * 0.39 in - Temperature sensor and heating cable length: 1 m / 3.28 ft - Package weight: Approximately 268 g Package List: - 1 * Extruder Kit If you find any product issues after receiving the items, such as damage and incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.