United Scientific 12 in. Ruler with Center Groove Material: Wood

Wooden Ruler Shop United Scientific™ 12 in. Ruler with Center Groove  at
This 12 in. / 30.5 cm wooden ruler has a double bevel and a pencil groove.

Description, School Smart Hardwood Ruler with double bevel features a pencil groove and is scaled in inches on one bevel and metric on the other. 12

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