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o Chartpak o - Adjustable Triangular Scale, 1,2 1
Versatile design lets architects work quickly with maximum efficiency. Change units quickly and easily by rotating dial at either end of scaleâ€”no need to move the scale from the work surface. 12'' measuring length, exact calibrations; 1/32'' scale. Manufactured of the highest quality aluminum. Adjusts to 1/16, 1/8, 1/4, 1/2, 1 1 and 2 1. Adjustable triangular scale for architects with rotating dial at each end to change units. Adjusts to 1/16, 1/8, 1/4, 1/2, 1 1 and 2 

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Price: $33.48