Assembled extruder kit, easy to use, compatible with 3D printers. All metal design, durable and wear resistant, high temperature resistance up to 260 degrees Celsius. The inner wall of throat and nozzle is smooth, reducing filament movement resistance, ensuring sufficient melting and consistent extrusion. High quality thermistor and heating tube provide fast temperature rise, high temperature control accuracy, and good stability. Includes silicone protective cover made of flame retardant material for effective heat preservation and protection, helping to keep the heating block and nozzle clean. Voltage: 24V Color: Red + gold Material: Metal, brass Nozzle diameter: 0.4mm Filament diameter: 1.75mm Weight: 88g Package Contents: 1 x Extruder Kit Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3cm.