Welcome to our store! Crafted from premium alloy material: Wear-resistant, durable, and eco-friendly. Excellent heat dissipation: A perfect water cooling jacket for motors. Exquisite workmanship: Easy to install and durable in use. Suitable for brushless and brushed motors with a 3.6cm diameter. Available in three colors: Choose according to your model boat. Features: 1. Made of premium alloy material, which is wear-resistant, durable and eco-friendly. 2. Good heat dissipation performance, it is a perfect water cooling jacket for motors. 3. Exquisite workmanship, easy to install and durable in use. 4. Suitable for brushless and brushed motors with 3.6cm diameter. 5. Three colors are available, you can choose according to your model boat. Specification: Condition: 100% Brand New Item Type: RC Accessory Material: Alloy Optional Color: Blue, Titanium, Black Inner Diameter: Approx. 3.6cm/1.4in Length: Approx. 5cm/2in Package List: 1 * Water Cooling Jacket Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best after-sales service.