Smooth Driving Experience: The steering ball is designed to increase the torque of the steering wheel and lessen the turning radius while doing difficult car maneuvers, allowing you to have smooth turns, faster parking, quick stops, lane merging and in general handling tight spots. Serve You Long: The truck driver steering wheel knob is made of quality metal and plastic, sturdy and reliable to use, smooth to touch, comfortable to handle, not easy to fade, break or deform, can be kept and applied for a long time. Necessary Assistant for Car Owner: It also fit for experienced people to use on long haul drives in the mountains or cruising down the highway, helping them to relieve muscle strain, neck and shoulder pain from steering wheel turning motions. Widely Applicable for Vehicles: The steering wheel turning knob is compatible with most vehicles, such as lawn mowers, lawn tractors, semi trucks, golf carts, boats, farm equipment and more, bringing a lot of convenience to your daily life. Simple Yet Classic Colors: The package includes 2 pieces of steering wheel spinners, which are available in 2 colors, black and carbon color. The classic colors and smooth retro look will enhance your car interior, making your car look cool and attractive.