The wheel spinner (also known as a spinner knob or Brodie knob) boasts a heavy-duty .375-inch post that easily fits most steering wheels making it a versatile addition for various vehicles from semi trucks to lawn mowers and passenger cars. Its durable construction crafted from iron and aluminum provides longevity while the chrome finish provides corrosion protection. This steering wheel spinner knob offers increased torque enhancing wheel control especially during tricky maneuvers like reversing. With an adjustable clamp featuring rubber padding this spinner knob is a breeze to install and offers an ergonomic ball design that fits comfortably in the palm of your hand. This steering wheel knob can simplify vehicle operation even when one hand is occupied. This aftermarket truck or tractor accessory is a quick and efficient solution to aid in steering making it an invaluable addition for drivers and machinery operators alike. Comes complete with included hardware featuring 2 brackets and bolts.