Ideal for measuring and checking the camber and castor angle on a wheel hub or brake disc, maintaining correct wheel alignment even after tire wear and can also be used as a normal gradienter.Allows you to return the strut to the original camber position after dismantling and re-assembling or to check the amount of camber change before re-installing.Features a simple to use and easy to read leveling adjustment from -5 degrees to 5 degrees with a powerful magnet for easy mounting on all kinds of metal surfaces.Made from high quality aluminum for strength and durability with precision vials for accurate measuring.Suitable for motorcycles, automobile cars, vans, trucks and SUVs.