3-Arm Protractor

The 3-Arm Protractor is a professional navigation protractor designed for accurate position fixing and course layout on nautical charts.

• Heavy-duty crystal clear acrylic – flexible yet rigid enough to trace precise bearing lines
• Three-arm design – ideal for plotting fixes from multiple bearings or landmarks
• Translucent body – full visibility of chart details beneath the tool
• Fixed center arm with two adjustable arms – facilitates accurate transfer of angles
• Center compass rose with marking hole – enables exact plotting of positions

A reliable, easy-to-use instrument for advanced coastal and offshore navigation.