(STREAMLINE DESIGN): The steering wheel spinner is made from premium materials, ensuring it is both anti-skid and sturdy once installed. It won't cause any scratches on the steering wheel. Our power handle ball allows for a 360-degree rotation, making it easy to operate. (MORE SAFETY): The steering knob is of premium quality and features a built-in bearings structure. With its streamlined design and a cover for the knob, our steering knob provides essential support for safe, convenient, and effective control of the steering wheel. Its durable construction ensures suitability for prolonged use. (BEST DRIVING ASSISTANT): By reducing the turning radius, our product makes driving more flexible and comfortable. The bearing-mounted power handle allows for smooth steering when navigating curves or parking. It is especially beneficial for beginners or individuals dealing with arthritis, muscle problems, carpal tunnel syndrome, low muscle tone, and similar issues. (EASY TO USE & QUICK INSTALLATION): Installing the wheel knob is a simple process. Find the appropriate area, attach the outer layer, embed the inner cushion if needed, and then fix the screws. Please note that the OTAN Power Handle spinner is compatible only with standard wheels, with a diameter of 26-36 mm or 1.1-1.4 inches. (BALL SHAPED DESIGN): The ball-shaped steering knob features an anti-slip surface that provides a comfortable grip. Its elegant design adds a fashionable touch to your car.