Designed for the new compact cars of today this compact squaring tram will fit under all hoods and gives you accurate comparison measurements. Its unique reductionextension arm will allow you to compare measurements from as little as 2 in. to 70 in.Features. Telescoping aluminum tubing design fits in tool box. 21 in. compact design fits under all car hoods. Measures from 2 to 70 in.. With 2 regular pointers and 1 reductionextension pointer