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Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Long, Silver

Original price $21.99 - Original price $21.99
Original price
$21.99
$21.99 - $21.99
Designed for the exacting needs of engineers. Change units quickly and easily by rotating dial at either end of scale. 12" measuring length, exact calibrations. Highest quality aluminum. Adjusts to 10, 20, 40 and 50 parts to the inch.