Feature: 1. Zinc Alloy Material: Truck bull balls are made of high quality zinc alloy material, which is durable, safe and environmentally friendly, and has a long service life. 2. Lower Center of Gravity: Lowering the center of gravity by increasing the weight of the RC car aids in climbing, improves stability, handling, and more attractiveness. 3. Realism: The realism and simulation aspects are well done to make your rc car look cooler and more unique. 4. Decoration: Decorate your model car to make it more attractive, simulation decorations make your car cooler. 5. Lightweight and Portable: Bumper balls bull nuts do not take up space, easy to carry when going out, light and portable. Specification: Item Type:HangingTruckBallsNuts Material: Zinc Alloy Size: Approx. 48 x 34 x 11mm / 1.9 x 1.3 x 0.4in Application: Suitable for Most Brands Package List: 1 x Hanging Truck Balls Nuts 1 x Rope Note: 1. Manual measurement, please allow 1-3mm error, thank you! 2. Due to differences between