Crescent Lufkin Extension 6-ft Wood Folding Ruler in the Yardsticks & Rulers department at Lowes.com
Klein Tools 6 ft. Wood Folding Ruler with Extension 9056 - The Home Depot
LEARNING ADVANTAGE Folding Meter Stick - Measure in Inches, Centimeters, Milimeters and Meters - Foldable Ruler for Metric and Imperial Measurement Systems: Amazon.com: Tools & Home Improvement
Learning Advantage Folding Meter Stick, Pack Of 3 : Target