18" Transparent Ruler #808B-A - is a lightweight, clear ruler which offers handy grid patterns in inches. There is also a "0 centering scale," so you can measure equally left and right from a centered starting point. Beveled edge graph ruler - 18" x 2".
Westcott Transparent Acrylic Ruler 18 - Office Depot
18 C-Thru Plastic Inch & Metric Ruler, Made in USA
Transparent Ruler - Sweden
See-Thru Accurate Positioning and Marking Sewing
Laminated Durable
Westcott Beveled Graph Ruler, English/Metric, 2 x 18, Transparent (B-95)
CintBllTer Beveled Transparent Ruler, 18-inch Clear Ruler, Graph
24 Transparent Ruler #808B - 24 inch x 2 inch
Westcott 10562 Acrylic Clear Ruler, 18 In : Office
NeosKon Beveled Transparent Ruler Measuring Tool
NeosKon Beveled Transparent Ruler, 18-inch Clear Ruler, Graph Transparent Ruler,Inch Metric Ruler, Plastic Measuring Tool Ruler for Clothes Design