Straightedges and Parallel Bars

Perfect for engineering and construction applications. Every Mayline parallel ruling straightedge bar begins with a durable black phenolic laminate base where a transparent blade is inset for see-through registration and fine line quality. For...

The Alvin Paral-Liner Straightedge Parallel Bars are perfect for drafting, engineering and construction applications.

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 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 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 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...