Senior Ruler, Set of 10 - Ajax Scientific Ltd

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NOKKO Architectural and Engineering Scale Ruler Set - Professional Measuring Kit for Drafting, Construction - Imperial and Metric Conversion Table Included - Laser-Etched Markings, Anodized Aluminum : Office Products

Center Finding Rulers (ARC12): Quickly find the center of anything by matching up the measurements on each side of zero. This ruler is made to help students in measuring, dividing, and gauging layouts. These centering rulers are designed for accurate and reliable measurements to make every project easy and accurate. Constructed of solid aluminum, this center-finding ruler is made lightweight and long-lasting, so you can use it for many projects to come.

Alvin Arc24 Aluminum Center Finding Ruler, Silver

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Ruler - Ajax Scientific Ltd

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Westcott Wooden Meter Stick With Brass Tips, 39 1/2 : Office And School Rulers : Office Products

Senior Ruler, Set of 10 - Ajax Scientific Ltd