Sturdy wood ruler. Checked for accuracy. 1 3/8 wide x 3/32 thick.
Universal® Flat Wood Ruler with Metal Edge — UNV59021
Wooden Ruler Vintage Wooden Old Vintage School Mathematics, 45% OFF
Westcott® 12 Magnifying Ruler - Acme 15571 EA - Betty Mills
uxcell Wood Ruler 15cm 6 Inch 2 Scale Office Rulers Wooden Measuring Ruler 8pcs
10 Best Wood Rulers 2024, There's One Clear Winner
Universal, Stainless Steel Ruler, Standard/metric, 6 Long (UNV59026)
Promo Flat Rulers (6)
Corner Ruler
Wooden Ruler Vintage Wooden Old Vintage School Mathematics, 45% OFF
Steel Ruler Positioning Block Limit Block Woodworking Marking Clamp Block Straight Device Limit - AliExpress