Features: 3D Printers hot end kit providing excellent thermals conductivity and ensuring consistent print quality. Good quality materials, excellent thermals conductivity and even heating; Suitable for MK4 3d printers, easy installs and replaces. Suitable for 3D printing enthusiasts, professional designers and engineers who demand print quality. Can be widely used in a variety of scenario such as home, school, laboratory and studio for printing models, part and components, Specifications: Material: Metal Heating Rod Power: 24V 40W Nozzle: 0.4mm Size:as Pictures Quantity: 1Set Note: Due to problem of lighting and shooting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurment Package includes: 1Set Hotend Set