Checks ball joint wear and disc rotor runout. Checks tire and wheel runout, gear backlash, valve guide wear, etc.. Meets state inspection requirements. Indicator features 0-1 in./25mm travel, .001 in./.01mm graduations and adjustable tolerance limit markers. Flexarm can be rigidly locked in any position up to 12 in.. Locking pliers provide a secure, convenient clamp to any object. Includes shop hardened case. Inch/metric reading dial indicator makes this set ideal for both foreign and domestic applications