Accurately monitor tire wear and replace tires to ensures driving The size is only 90x50mm, making it easy to fit into a toolboxes or glove box Not additional space required, to access at any time, especially suitable for users who need to travel frequently Using high-precisions aluminum to ensures measurement error is less than 0.1mm Solve the problem of inaccurate data caused by deformation of traditional rulers, it is suitable for professional car dealers and individual car owners to regularly check tire wear Essential for mechanics, car enthusiasts, and driver requiring professional tire maintenance tool Aluminum structures reduce the weight of aluminum products by 50%, weighing only 23g, while doubling their lifespans Not need to worry about or rusts caused by long time use, suitable for frequent use in outdoor environment, especially for driving enthusiasts, Manufacturer: JDNH