Gotobuy - 1x Black Vehicle Boat Steering Wheel Spinner Power Handle Ball Knob for Lady and Beginner 100% brand new Delicate design & Fine workmanship Compatible with most major of vehicles Steering Wheel Knob: 5.5cm; Diameter of Clamp: 3.3-3.6cm (approx) Material: Stainless steel(base part) and ABS(rotary part)