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Alumicolor Engineers 6" Select A Scale (7507-1)
Alumicolor Engineers 6" Select A Scale (7507-1)
Item#:  MS10042

Our Price: $11.00
Alumicolor Select-a-Scale are an ultra convenient and functional drafting tool that allows architects and engineers to select multiple scales all in one product.
The unique design incorporates a sculptured arch on the bottom for ease of movement. A rotating rod on the top displays one of six available scales while the solid aluminum base has fixed scales on the front as well as a raised inking edge.

Fixed Scale: 50 parts per inch

Rotating Scale: 10, 20, 40, 10:1, 20:1, 40:1