Feature:1. RC Car Upgrade Accessories: The steering ball head can effectively improve the steering system of the remote control car, reduce tire wear, and make the steering more flexible.2. 10 Pcs One Set: This kit contains 10 pcs steering ball joints for your usage, which are small in size and perfectly designed to make the RC car run smoothly.3. Exquisite Appearance: The refined appearance and stable performance of this steering ball head make your RC car look more lifelike, cool and practical.4. Wear Resistant and Durable: The steering ball head is made of iron material, which is wear resistant and durable, provides longer service life.5. Direct Replacement: The steering ball head is light in weight, reasonable in design, easy to install and disassemble, and can directly replace damaged parts to obtain higher strength.Specification:Item Type: RC Steering Ball JointMaterial: IronColour: SilverLength: Approx.11mm or 0.4inBall Diameter: Approx.5.5mm or 0.22inThread Length: Approx.5mm or 0.20inApplicable for: For ZD Racing 1 or 10 RC car.Package List:10 xRC Steering Ball JointNote:1. Please allow 1and 8209 3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.