Features:* Measure the camber angle and casters on the hub or brake disc.* Suitable for precise inspection of wheels and cams.* Simple horizontal adjustments can be adjusted from -5 to 5 degrees.* Magnetometer is connected to the hub or disc brake.* Make adjustments to maintain proper wheel alignment and uniform tire wear.* After removal and reassembly, the rod can be restored to its original position of the ramp. Instructions for use:* Remove the four-wheel positioning sensor (device) and remove the tire;* Carefully suck the magnetic level on the side of the brake wheel;* Adjust the level to the zero position;* Install the required special positioning parts;* Use special tools to adjust the positioning of the parts to the required measuring angle using the degree of indication magnetic spirit level.* If there is a slight deviation in re-testing with the locator, just adjust it under the car. (In general, a slight deviation will not cause positioning defects)Specifications:Product Name: Four Wheels Level LevelMaterial: PlasticColor: BlueSize: 124*30*20mmSuitable for: Precise control of wheels and cameras. Quantity: 1PcPackage Included:1 x Four Wheels Alignment LevelNote:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.