Application The Steering Wheel Level Alignment Tool fit for Steering Wheel Internal Diameter 270mm-340mm, suitable for passenger cars, vans and trucks Function It used to lock the steering wheel in place before checking/adjusting the front wheel alignment, and hold steering wheel in level position High Performance Self holding and automatic centering are achieved through the use of a spring-loaded mechanism. The steering wheel leveling tool is fixed by a spring, which pushes the outside edges of the bubble level towards the edge of the steering wheel, adjustable for different diameter wheels Premium Material .