Abbey Tools Hanger Alignment Gauge. Features: Half precision measuring instrument, and half pry bar, this tool will keep your hanger in line Features a lock in the feeler so you don't have to second guess your measurement after bumping it on the tire Top half will rotate out of the way of fender stays and frame tubes for easy use Feeler stores inside the top half of the tool for transport Compatible with the three most common wheel sizes including 26", 27.5"/650b, and 700c/29" Made in the USA; Bend, Oregon