Tire hardness can sometimes be a challenge, as it has a huge affect on the performance of your car. If your tires are too hard, they won't bite. Tires that are too soft may wear quickly or even ball up. Also tire hardness changes during its life cycle. To run your best you must keep track of the hardness and softness of your tires. This easy-to-use tool will help you do just that.
Reads from 0-100 points (Shore 'A' scale)
Comes with red case
For the most consistent results, rock the durometer from angled back past straight up to angled forward. The pointer will move up to the highest (true) reading, then back down. Record the highest reading reached.