Tram Instruments are a versatile and indispensable tool for determining collision damage to unibody cars and for checking critical measurements during repair. Use the tram to check dimensions between control points on suspension and mechanical components. The Tram Instrument makes it easy to establish dimensions around components and to check contours by comparing measurements from one side of the vehicle to the other. Measures from 21/2&quot; (65mm) to 7' (2.1m). Level bubble installed in sliding head for accuracy in measurement.Comes in a cardboard box. Weight: 11 lbs (4.99kg) Made in the U.S.A. <br />UPC Code: 842729011529 <br />