This 18 inch ruler. : r/mildlyinteresting

Staples 18 Stainless Steel Ruler with Non Slip Cork Base (51899)

Straight edge and rule combined to give you an edge always ready to use. Large, easy to read numbers and calibrations. Lightweight and non-rusting. Calibrated to 32nds through the first 6 on every item. Edge-to-edge calibrations for easy length-of-item measurements. English and Metric calibrations on each ruler. These straight edges are 1. 75 wide, 1. 6 mm thick. Edge-to-edge calibrations for easy length-of-item measurements. These straight edges are 1. 75 wide, 1. 6 mm thick.

Ludwig Precision Aluminum Straight Edge 18 in.

This full pic of Friday's mildly controversial ruler with an inch scale and a half inch (not cm) scale : r/mildlyinteresting

This 18 inch ruler. : r/mildlyinteresting

Easy Read Stainless Steel Ruler, Standard/Metric, 18.25 Long, Blue - Reliable Paper

Westcott® focuses on creating designs that provide style and quality to an assortment of school, craft, and office products. Westcott 18 Stainless

Westcott 18 Stainless Steel, Non Slip, Cork Base, Metric Ruler, for Office, 0.13 lbs., 1-Count

Empire 18 in. Stiff Ruler 27318 - The Home Depot

Westcott Transparent Acrylic Ruler 18 - Office Depot

Westcott Transparent Acrylic Ruler 18 - Office Depot

182-143 Mitutoyo Steel Wide Rigid Rule: 18 Inch (5R) - Call 800-469-0132 or Buy Online

Westcott Ruler,Stainless Steel,18 in.

RULER T-SQUARE STAINLESS STEEL 18 INCH AA27103