Professional Tire Wheel Truing StandIncludes two digital indicators to true side-to-side and up-down simultaneously—no more guessworkLightweight, yet rigid, aluminum frame and axel fits wheels from 16” - 21” with 20 mm - 30 mm axlesThreaded cones on axle keep wheel more secure than cones with index screwsStand's base has adjustable rubber feet to maintain level axleFlexible mounts fix indicators exactly where neededProfessional truing stand for more precise results