Dial in your rotors with the Park Tool Dial Indicator Kit for DT-3 truing stands. The Dial Indicator easily attaches to the DT-3 truing stand, and features an extra-wide cylindrical tip designed to work around the voids in most rotors so you can get a completely rub-free rotor that's as true as can be. By using a Dial Indicator to true your rotor you'll find both greater accuracy, and improved ability to diagnose where issues lie in your rotor, enabling fixes to be done faster, and more precisely for improved results.