This QuickCar Caster-Camber Gauge is a 3-Bubble Type and Includes a Case along with a Magnetic Hub Adapter. Made from high-quality Red Anodized Aluminum. Don't be fooled by cheaper caster-camber gauges that are not calibrated or tested. All QuickCar caster-camber gauges are CNC machined for accuracy. All of caster-camber gauges are calibrated and bench tested for accuracy. Accurate caster-camber on a race car is very important. Each caster-camber gauge features anodized billet aluminum, 6 degree Camber, 8 degree Caster, shock proof carrying case and are assembled and calibrated on 360 degree level bench. Sold each.