Features:

• Keson wooden rulers have long been an essential tool for carpenters, mason’s, plumbers and all types of tradespeople.
• They extend to over 6 feet (2m).
• 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.
• Graduated in feet, 10ths and 100ths
• Regular outside marking in feet, inches, graduated to 1/16-inch
• Engineer’s side has foot marks in red, and decimal points

Specifications:

• Length: 6ft
• Units: Feet, inches, 8ths, 16ths, and feet, 10ths, 100ths
• Width: 5/8
• Material: Beechwood
• Special: Engineer's