Features: 【Suitable for 3D Printer】The metal MK8 ender3 hotend upgrade kit for almost series of Creality Ender and CR 3D printers, such as Ender3/CR10/CR10S. The hot end is assembly for fast installation. 【Suitble for Material】The metal 3d printer extruder hotend kit can withstand higher temperatures -40~+260°C (-40~+500°F) , many selection of printing materials，such as ABS, Nylon, and Polycarbonate etc 1.75mm 3D Printer Filaments. 【Rigorous Upgrade Materials】3d printer hotend strictly follows making standard, seamless connection of nozzle and throat to prevent leakage. Which to solve the issues of frequent replacement of NTC burnout, wire breakage and rapid aging of the heating rod. 【Better 3D Printing Experience】We have made a practical and effective product package match for your experience. What you will get in the box: 24V Assembled Hotend Kitx1Set, Brass Nozzlex3Pcs, Golden Aluminum Heating Blockx4Pcs, Black Heater Block Silicone Coverx4Pcs, MK8 3D Printing 0.4mm Nozzle Cleaning Steel Needlex1Set/5Pcs. 【Fast Service Response】We respect every customer. Every item strictly passed for QC before shipment. But if you have any doubts, we will response your message within 24 hours.Thank you for choosing us. Specifications: Material: Metal Weight: 135g Size: As picture shows Package Includes: 17x Hotend Assembly Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.