1950s Folding Ruler 6 Feet Made in USA White 6 Foot Carpenter - Etsy
Folding Meter/Yard Stick | EdX Education
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