Klein Tools 910-6 Folding Ruler 6-Foot, Durable Fiberglass, Inside Reading - Construction Rulers - Amazon.com
Folding Ruler, Metric Measuring Tool – Biddle and Bop
Antiques, Art, Vintage
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
Item # GS9FOLDING, 9Ft Fold-N-Lock 3 Section Gauge Stick 72" Calibration On Tank Truck Service & Sales, Inc.