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The Martin® Pro-Draft Professional Parallel Straightedge comprises cutting-edge technology making the premier straightedge in its class. It features an aluminum body for strength and stability, anti-warp cast acrylic bottom making it suitable for...
The Alvin Paral-Liner Straightedge Parallel Bars are perfect for drafting, engineering and construction applications.
This Pacific Arc Professional Straightedge Parallel Bar is perfect for drafting, engineering and construction applications.
A deluxe version of the popular Alvin Paral-Liner series, with an integral comfort grip bar to control straightedge movement.