Gdnecad Car Steering Wheel Spinner Knob, 360° Rotatable Power Handle Ball Booster Smooth Turning Assist Knob, Universal Steering Wheel Knobs Spinner for Car Semi Truck Tractor (Black)

["Primary Function: The car steering wheel spinner knob rotates smoothly 360°, enhancing steering control precision and efficiency. In addition, it enables effortless one-handed operation, reducing driver effort and significantly improving the overall driving experience","Considerate Design: The car steering wheel ball booster features a precisely polished surface—smooth and burr-free—for a comfortable, secure grip. Besides, its ergonomic spherical shape with a flat top naturally contours to your palm, enhancing driving comfort","Quality Material: Crafted from high-quality ABS, the car steering wheel turning assist knob's handle resists fading and retains its original appearance even after prolonged use. Its iron portion is robust and wear-resistant, making it less prone to damage even under external stress","Quick Installation: The installation of the spinner knob is quick and simple—no complex steps or professional skills needed. Just position it correctly at the designated position on your steering wheel, and then tighten the bottom nut with a wrench to ensure a secure, reliable fit","Broad Application: The car steering wheel spinner knob measures 2.0 inches in spherical diameter, featuring a height range of 3.3 inches to 3.5 inches. It is suitable for steering wheels of most vehicles on the market, such as sedans, SUVs, trucks, vans, RVs, semi-trailers, and boats"]