Description:Solid material: The steering wheel knob of this car is made of ABS plastic and iron to ensure durability and efficiency and long service life.Easy to use: Booster ball simplifies one hand steering by increasing the torque of the steering wheel, making the steering operation easier, labor-saving.Universal: Booster ball adopts universal design and is compatible with the steering wheel of cars and vehicles, which greatly meets your needs.Practical features: Car steering wheel booster ball is very helpful in difficult car operation. They give you strength and ability to pull some car movements.Wide application: Vehicle turning knob is very suitable for lawn mower or tractor. It makes lawn trimming easier by reducing the turning radius.Specification:Material: ABS plastic + iron.Color: Black.Size: Approx. 8.5x8 cm/3.35x3.15 inch.Note:There might be a few color distortions due to different computer resolutions.There might be a slight error due to different hand measurements.Package Includes:1 Piece Car Steering Wheel Booster Ball.