Specifications: Material: Aluminum Alloy Height: 98mm (3.86in) Weight: 115g (4.06oz) Suit For: 1/10 1/8 RC Car Package List: 1 * Wheel Tire Dynamic Balance Support Made of aluminum alloy,stable and durable which makes it easier to carry tires. Center hub assembly with bearings,for 12mm and 17mm hex wheels. No need to install wheels on chassis, help you to check the wheels quickly. Package contains screw and allen key for easy installation and enjoy DIY process. Suit for 1/8 Buggy 1/10 RC Car.