Bigtreetech CR10 12V Full Metal J-Head Assembled MK8 Hot end kit Aluminum Heat Block 1-75mm 0-4MM Nozzle Heater thermistor for Ender-3-CR-10-CR-10S Bowden extruder with Metal hot end 0-4MM

?Long-term security guarantee? We will provide a long-term warranty service of up to 24 months. Octobigtree is the branch of Bigtreetech. If you find any damage or initial failure after purchasing this product, please do not hesitate to contact us?Octobigtree?. We will respond promptly within 12 hours in one business day. We provide product exchange, resend and refund services. Octobigtree is committed to customer satisfaction. Features: ?100% brand new and high quality. ?MK8 Extruder Hot End kit, white wire was temperature thermistor, red wire was heating tube 12V 40W. ? MK8 Hot end works great, and heat really fast (I usually get up to 200C in less than a minute-and-a-half to two minutes). Pre-insulated, helping to retain a steady temperature. Specification: Material: Aluminum & Stainless Steel & Brass Installation type: external thread connection Scope of application: 3D printer Nozzle size: 0.4mm Throat pipe length?30mm Aluminum block size: 20 mm x 20 mm x 10 mm Operating temperature range: -40 ~ 260°C (-40 ~ 500 °F) Thermistor and heater cable length: 1M Package Included: 1x Aluminum Block 1x Heating Tube (1 m long, 12V 40W) 1x 1.75mm 0.4mm Brass Nozzle 1x M6*30mm Throat Pipe (built-in Teflon) 1x Thermistor Brass Sleeve (1 meter long)