83-172742 - 42 inch Parallel Straightedge

The Martin Pro-draft 42 inch Parallel Straightedge is cutting edge technology.

A short list of the Pro-draft's features include; Metal cover for strength and stability, Anti-warp cast acrylic bottom with ink edges, locking device to lock-in any angle that you would like to draw and anti-static rollers to avoid smudges to your drawing.

Obviously the Best in its class!