ITEM NAME:New Magnetic Gauge Tool for Car/Truck Camber/Castor Strut Wheel Alignment K0O6 Instructions for use: 1. Remove the four-wheel positioning sensor (clamp) and remove the tire; 2. Carefully suck the magnetic level on the side of the brake wheel; 3. Adjust the level to zero; 4. Install the required positioning special parts; 5. Use special tools to adjust the positioning of the parts to the desired measurement angle with the help of the magnetic level indicator. 6. If you find a slight deviation with the locator, you only need to fine-tune it at the bottom of the car. Specification: Material: metal Size: approx.12.4x 5cm /5x 1.97in (LxD) (Note: Please allow 1-2cm error due to manual measurement, and slight color difference caused by light and screen.) Package includes: 1pc x Magnetic gauge tool.1pc x Magnetic gauge tool. Carefully suck the magnetic level on the side of the brake wheel;. If you find a slight deviation with the locator, you only need to fine-tune it at the bottom of the car. Instructions for use.