Navigation rulers
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About this category
Navigation rulers for precise nautical chart work
Discover our selection of high-quality navigation rulers for professional chart work on board. From classic parallel rulers and single-arm course rulers to triangular rulers – our navigation instruments offer the precision and reliability you need for safe course determination and position finding.
- Parallel rulers made of acrylic and aluminum for parallel lines
- Single-arm and double-arm course rulers in various sizes
- Transparent design for optimal map view
- Robust materials for maritime use
- Proven instruments for traditional nautical chart navigation
Our navigation rulers are indispensable tools for every navigator and offer a reliable complement to electronic navigation. Precise course determination and accurate bearings – for safe navigation at sea.