This 2" buffing cup is perfect to buff the inner linear of a tire during the tire repair procedure. There are multiple different buffing disc and wheels to choose from. Being domed shaped and 60 grit, this buffing cup is very fine and is easy to use. The maximum recommended operating speed for this disc is 5,000 rpm. The tire technician should always wear eye protection when using this disc during tire repair. This disc can be used with a quick change adapter or a Jacobs chuck adapter.