The park tool ts 2di dial indicator gauge set for truing stands features a dial indicator bracket and set that measures a wheelrsquos lateral and radial run out to 01mm park tool ts 2di dial indicator gauge set for truing stands optional add on for ts 22 and ts 2 truing stand to offer incredible accuracy for building and truing wheels measures a wheel39s lateral and radial run out to 01mm mounts easily to any ts 2 or ts 22 truing