Feature:1. EXCELLENT ACCESSORIES: This widely used excellent 3D printer kit accessories adopt brass nozzle, aluminum heating block, stainless steel throat2. EASY INSTALLATION: The pre opened 2 holes make the hot end easier to install or replace on the printer, and the structure is very strong and stable3. APPLICABLE FOR 0.4MM NOZZLES: The product is made of good quality metal material. Durable and suitable for 0.4mm nozzles, versatile and practical4. SUITABLE FOR MK8 EXTRUDER: This is a for MK8 extruder hot end kit, white wire is temperature thermistor, red wire is heating tube 12V 40W5. COMPLETE ACCESSORIES: Contains heating tube, thermistor, cooling block, heating block, pneumatic joint, throat, PTFE tube, 0.4mm nozzle, sprinkler thermal insulation silicone sleeveSpecification:Item Type: 3D Printer Extrusion HeadInstallation Method: Male thread connectionScope of Application: 3D printer (for CR10 series)Nozzle Size: Approx. 0.4mm / 0.02inThroat Length: Approx. 30mm / 1.18inAluminum Block Size: Approx. 20 x 20 x 10mm / 0.79 x 0.79 x 0.39inOperating Temperature Range: -40 ~ +260℃ (-40 ~ +500℉)Voltage: 12V 40WIncluded: Heating tube, thermistor, heat sink, heating block, pneumatic joint, throat, PTFE tube, 0.4mm nozzle, nozzle thermal insulation silicone sleeveHow to Use:Install and use directlyPackage List:1 x 3D Printer Extrusion Head