time and money! Magnetic Camber Alignment Gaugemeasures the Camber and Caster angle on the wheel hub or brake disc and allows adjustment to maintain correct wheel alignment and even tire wear. Auseful toolto maintain the correct Camber setting after dismantling and re-assembling of the suspension. This new toolmeasures the Camber and Caster angleon the wheel hub or brake disc and allows adjustment to maintain correct wheel alignment and even tire wear.