Easy to use: This Magnetic Gauge Tool is designed for straightforward operation. Remove the four wheel alignment sensor fixture and the tire, carefully attach the magnetic level gauge to the side of the brake disc, adjust the level gauge to zero, install the alignmentspecific parts, and adjust them using a special tool according to the degree indication of the magnetic level gauge. Precision adjustment: With this Camber Castor Strut Wheel Alignment Tool, you can set your alignment parts to the desired measurement angle. If there is a slight deviation after rechecking with an aligner, you can easily make minor adjustments from underneath the vehicle. Material: Made from PC plastic material that ensures long term use. Compact size: The Camber Gauge dimensions are 1.18 in x 0.79 in x 4.84 in, making it compact and easy to handle during use. Use scenarios: After suspension component replacement (such as struts or control arms), to finetune camber and caster on a vehicle with accessible brake discs. In a DIY home garage for precise wheel alignment adjustments without a full alignment rack. In a professional auto for quick onvehicle camber and caster adjustments during or after alignment service.