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Ensure precise chart work with this 15-Inch Deluxe Brass Arm Parallel Rule, engineered for accurate navigation plotting at sea or in the classroom. A classic tool with professional-grade materials for long-term reliability.
Solid brass arms and handles for smooth, stable movement across charts
Extra-strong, clear milled acrylic blade with bevelled edges for clean pencil lines
Integrated protractor scale to measure and transfer bearings with confidence
15" (381 mm) length and 1/8" (4 mm) thickness for optimal control and durability
Lightweight 7 oz (199 g) construction for easy handling and storage
Add this essential navigation rule to your chart table for dependable, repeatable accuracy.
