Item Type: Steering Wheel Booster Material: Alloy, ABS Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List 1 x Steering Wheel Booster 1Wide Application: The exquisite steering wheel power ball is extensively universal for most steering wheels in cars, boats and so on. 2Powerful Function: The steering wheel spinner knob can provide quick and easy 360 steering control for increased manoeuvrability, more stable and safer. 3High Performance: The steering wheel power knob comes with fine workmanship and good hand feeling, comfortable to grip and convenient to clean. 4Easy to Install: Features a fit clamp for easy and quick transferring between vehicles without any complex procedures, time and effort saving. 5Premium Materials: The steering wheel power handle is carefully made of premium ABS and alloy construction with stylish finish.