This is An adjustable equipment allows you to return the strut to the original camber positionafter dismantling and re-assembling the suspension or to check the amount of camber change before re-installing. Measures the Camber and Caster angle on the wheel hub or brake discSuitable for accurate checking of the castor and camber angleHas a simple leveling adjustment from -5 degrees to 5 degreesMagnetic gauge attaches to the hub or disc brakeAllows adjustment to maintain correct wheel alignment and even tyre wearTime and money saving deviceEasy to read and convenient to operate