Great ruler
Good product and really good service came very fast
Keson wooden folding rulers have long been an essential tool for carpenters, masons, plumbers and all types of tradespeople. The rulers extend to over 6 feet (2 m). They enable you to draw straight lines up to these lengths without the use of a chalk line or mason’s line.
Designed for engineer or other measurements requiring tenths and feet. Decimal points on engineer’s scale prevent reading errors.