Keson Wood Ruler – 6 ft, Engineer’s Scale The Keson WR1810 folding Wooden Ruler is a durable, dual-scale measuring tool designed for both standard and engineer’s measurements. Featuring clear graduations in feet, tenths, and hundredths , alongside traditional inch markings, it provides versatility for a wide range of layout and measurement tasks. Built for accuracy and ease of use, the engineer’s scale includes red foot markings and decimal points to help prevent reading errors. The sturdy wooden construction ensures long-lasting performance, making it a reliable choice for both field and office use. Key Features • 6 ft length for general measurement tasks • Engineer’s scale (ft, 1/10, 1/100) for precise layout • Standard graduations (ft/in to 1/16") • Red foot markings and decimal points for improved readability • Durable wooden construction for long service life Ideal For Engineers, surveyors, and construction professionals needing a dual-scale ruler for accurate standard and decimal measurements.