Usage Tips:[High-Quality Material] The steering wheel knob is made of ABS and aluminum alloy material, which is sturdy, durable, and practical, the flexible spinning knob can make steering effortless. [Applicable Size] The size of this steering wheel knob is about 7x5.5cm/2.7x2.16inch. Suitable for the thick steering wheel fits steering wheel diameters 1.3" - 1.6", if your steering wheel diameter is smaller, use the included rubber strap. [Easy to Install] The steering wheel power handle includes 1rubber strip, 2 mounting screws, and 1 wrench. About 1 minute to install, it's ok if the two parts of the base don't touch each other. Simple and easy to use and not easy to fall off. [Assistance Driving] Our smooth wheel spinner knob can make you drive your car easier. Perfect for drivers with shoulder or arm disorders, and long-distance drivers, it can relax you and it can relieve your fatigue. [Wide Application] The steering wheel knob has a larger base than other spinners and fits most cars, trucks, tractors, lawn mowers, forklifts and boats. Key Features: 1. Fine workmanship The material of the vehicle steering wheel ball knob is ABS + aluminum alloy, do not damage the steering wheel, the ball is super strong, safe, and practical. 2. Universal Install Large steering wheel knob for the thick steering wheel. It has a larger base than other spinners and fits steering wheel diameters 1.3" - 1.6", if your steering wheel diameter is smaller, use the included rubber strip. 3. Save Effort Our smooth wheel spinner knob can reduce the turning radius, helping beginners to drive safely and conveniently when turning. 4. Assistance Parts This steering wheel knob can be as a car assistance part, it is easy to disassemble, easy to handle, disassemble, and clean. 5. Elegant Appearance Our steering wheel booster has an elegant appearance design that makes your car more fashionable. Fits most cars, trucks, tractors, lawn mowers, forklifts, and boats. Product Name: Steering Wheel Spinner Knob Specification: Material: ABS+ Aluminum alloy Size: about 7x5.5cm/ /2.7x2.16inch Color: Black, Silver (optional) Note: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. 1 x Steering Wheel Knob 1 x Rubber Strip 2 x Screw 1 x Wrench ABS,Aluminium Alloy