Features: Dual color metal hotend extruder kit for TRONXY 2E model 3D printers, such as X5SA-2E, X5SA-400 2E, X5SA-500 2E, etc. 0.4mm nozzle; 1.75 filament size; aluminum heating block; heater wire 24V/50W. Can access two type of filament, switch between two input when printing, and extrude through a hot end. Color switching is fast and stable, and print quality has no obvious defects. Made of high quality metal, durable and wear-resistant, quality guaranteed. Specifications: Heat Sink Material: Aluminum Alloy Heater Material:Aluminum Alloy Nozzle Material: Brass Pneumatic Connector Material: Stainless Steel Voltage: 24V, 50W Wire Length: Approx. 120cm/ 3.9ft Package List: 1 * Hotend Extruder Kit