Simplify reading across computer sheets. Clear plastic ruler has a see-through yellow center panel to highlight one line. Beveled edges.
Designed for the exacting needs of engineers. Change units by rotating dial at either end of scale. Exact calibrations. Highest quality aluminum. Adjusts to 10, 20, 40 and 50 parts to the inch.
12" Length - Aluminum - 1 Each - Silver
Cork back prevents slipping. Convenient hang-up hole. With standard and metric measurement markings.
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