15-Inch Aluminum Arm Parallel Rule

This 15-Inch Aluminum Arm Parallel Rule provides precise, reliable chart work for both professional and recreational navigators. Built for frequent use at the chart table, it delivers smooth, accurate transfers of course lines and bearings.

• Brushed aluminum arms for strength, durability, and corrosion resistance
• Clear acrylic blades milled with beveled edges for clean, accurate lines
• Integrated protractor scale for quick angle and course measurements
• Polished aluminum handles for secure, comfortable control
• 15" length, 1/4" thickness; weight 0.47 lb (213 g) for stable handling

A dependable parallel rule is an essential navigation tool—add this to your chart table for confident plotting on every voyage.