Using this tool our Automotive team found that it effortlessly cleans away even the toughest dirt and grime from tires. The ZHSMS Patch Roller Remover Repair enabled us to patch even the deepest wheel dents, leaving tires looking shiny and new. The pros of this product are that it is lightweight, durable, and easy to use without causing any damage to tires. The only con we found was that it may not be AS effective on very old or extremely dirty tires .Overall, this is a must-have tool for any Automotive enthusiast looking for a top-notch tire repair solution..