24-Inch Parallel Rule

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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 – p rovides 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. Show more