Features: This aluminum alloy water nozzle for remote control boats offer efficient heat dissipation, quickly lowering temperatures during high speed operations to prevent performances drops and ensures cooling. Featuring easy installation design, broad compatibility with various remote boat models, and wear resistant metal construction that resists corrosions even in seawater, this cooling tube extension enhances water flows efficiency for stable engine function. Ideal for remote boat enthusiasts, including beginners seeking easy setup and performances focused users who demand long lasting components for their hobby. Designed for extended playing in marine environments, it effectively prevents engine overheating during intense racing or leisurely cruising on water. With its precisions cooling tube extension, this product maximizes water circulation to safeguards your boats engine, delivering durability and enhanced operational smoothness for countless adventures. Specifications: Component: Aluminum Alloy Size:Small,Large Color:Blue,Black,Red,Silver Package Includes: 4Pcs note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.