Ideal for professional driver, farmers, and boat owners needing steering assistance during extended operating of semi trucks, forklifts, or agricultural machinery The ergonomic silicone grip with hexagonal texture enhances tractions by 40% in wet conditions, while the corrosions resistant ABS+PC housing withstands impacts from 20°C to 80°C environments for maneuvering heavy vehicles in tight spaces or navigating long distance routes where quick steering adjustments are critical for and efficiency Easy installation with vibrations dampening silicone pads eliminates rattling noises, ensuring secure attachment to steering even when using wheel covers Engineered with double ball bearing cushions technology, this universally spinner knob enables 360 degree control for driver requiring single handed operating across cars, trucks, tractors, and marine vessels, Manufacturer: Gramigg