The steering wheel spinners perfect fits for all vehicles and steering wheels ,such as cars, trucks, forklifts, mowers, tractors, boats. Perfect choice for beginners or people struggling with arthritis, muscle problems, carpel tunnel syndrome, low muscle tone and the likes.The spinner is useful for any car owner. Smooth Wheel Spinner Knob - Easy to mount,includes mounting screws and hex key. Makes turning effortless on long haul drives in the mountains or cruising down the highway while maintaining the best control possible. Easy to operate, remov e and easy to clean.Quick easy to install aftermarket accessory to assist with smooth turns. Specification: Material: ABS+Iron Color: Black Compatible Model: Universal for steering wheel of a tractor, mechanical vehicle, etc.. Package included: 1 x Handle Spinner Knob 2 x Screws 1 x Wrench