[For 3D Printers] Metal MK8 Ender3 Hotend Upgrade Kit is compatible with almost all 3D printer series and, such as Ender3/CR10/CR10S. The hot end is assembled for installation. [Applicable Materials] Metal 3D printer extruder hot end kit can withstand higher temperatures -40 ~ +260°C (-40 ~ +500°F), a variety of printing materials are available, such as ABS 3D printer filament, nylon and 1.75mm carbonate. [Strict Level Material] The hot end of the 3D printer strictly follows production standards, and the nozzle and throat are seamlessly connected to prevent leakage. Solves the problems of frequent replacement of NTC burnout, disconnection, and aging of heating elements. [BETTER 3D PRINTING EXPERIENCE] We have a practical and efficient package to satisfy your experience. The total length of the steel needle: 70mm, the color of the needle box cover is random and cannot be specified Material: Metal, Brass, Plastic Color: Red, Gold, Black Package Contents: 1 Set x 24V Assembled Hot End Kit 3 x Brass Nozzle 4 x Gold Aluminum Heater 4 x Black Silicone Heater Cover 1 Set x MK8 3D Printing 0.4mm Nozzle Cleaning Steel Needle (5 pcs) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.