Build up new business with our four bevel 6" civil engineering ruler! Made out of lightweight Jalneem wood, the scales are printed on the front in 10ths and 40ths - 20ths and back scales in 30ths and 60ths, 50ths - 25ths. This is an excellent choice for individual engineers and larger firms. Enjoy Woodrow's professional quality at a more affordable cost. We are the nation's largest producers of professional scale measuring devices. What a handy giveaway!