24-Inch Parallel Rule

The 24-Inch Parallel Rule is a professional chart plotting tool designed for accurate course laying and bearing transfer on large nautical charts.

• Extra-long 24" milled acrylic – provides stable, straight reference over wide chart areas
• Bevelled edges – ensure precise alignment and clean pencil lines
• Integrated protractor scale – allows direct measurement of courses and bearings
• Rigid chrome arms and handles – maintain constant angle while moving across the chart
• 1/4" (7 mm) thickness – robust, durable construction for commercial and training use

Built for consistent, dependable performance at the chart table.