Straightedges and Parallel Bars

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

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

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...

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.

A deluxe version of the popular Alvin Paral-Liner series, with an integral comfort grip bar to control straightedge movement.

A deluxe version of the popular Alvin Paral-Liner series, with an integral comfort grip bar to control straightedge movement.

A deluxe version of the popular Alvin Paral-Liner series, with an integral comfort grip bar to control straightedge movement.

The Alvin Paral-Liner Straightedge Parallel Bars are 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.

Mayline Mobile Parallel Ruling Straightedges with NO ROLLERS offer the E-Z Grip cap which provides simple, fingertip movement of straightedge. Above board mounting hardware included. DEW Recommends the Mayline Straightedges with Derin Rollers. ...

Mayline Mobile Parallel Ruling Straightedges with NO ROLLERS offer the E-Z Grip cap which provides simple, fingertip movement of straightedge. Above board mounting hardware included. DEW Recommends the Mayline Straightedges with Derin Rollers. ...

Mayline Mobile Parallel Ruling Straightedges with NO ROLLERS offer the E-Z Grip cap which provides simple, fingertip movement of straightedge. Above board mounting hardware included. DEW Recommends the Mayline Straightedges with Derin Rollers. ...