Brand New! Motion Pro Sag Scale II Cone-shaped axle locating pin fits hollow axles up to 20 mm with repeatable precision Adjustable zero-set point for direct scale reading (no subtracting required) Can be used to check front or rear sag on mini and full size motorcycles Swing-out design is compact and fits in most tool boxes Extended length 28-3/8" (720 mm) Folded length 15-3/4" (400 mm)