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

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.

Product description Find the exact center of any workpiece up to 12 inch wide. Has a built-in protractor, too. From the Manufacturer Find the exact center of any workpiece up to 12 inch wide. In addition to top and bottom micro-fine marking holes at every 1/32 inch it also has a built-in protractor with guide slots at every 45, 30, 22.5, and 5 interval.

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