Product details:

Telescopes from 28" to 10 feet Measures in Metric and American Standard Lightweight aluminum with steel screws Accurate within + / - 2mm 2 sets of pointers plus 2 nylon storage bagsHigh quality Telescoping Aluminum Tram Gauge assembled in America with Global parts. A large viewing window displays measurements in Metric and American Standard. A must for professional technicians who need to check measurements or for writing estimates on damaged vehicles.