600mm Marine Navigation Parallel Ruler High Hardness Transparent Acrylic Nautical Chart Plotting Tool for Ships Boats
405mm Acrylic Navigation Trigon Ruler IMPA371007 Professional Marine Chart Protractor Set for Distance Measurement Technical Drafting
450mm Parallel Ruler Measuring Divider, Map Plotting Tool for Ships, Yachts, Boats with High Transparency Acrylic Suitable for Nautical Navigation at Sea
CFTGIW 7.87in Brass Navigation Divider IMPA371013 Professional Accurate Marine Navigation Drawing Tool
COYEUX A2 Drawing Board Parallel Motion, Easily Adjustable Drafting and Architecture Tool, with Parallel Ruler, for Students and Professionals 60x45cm
Adjustable Magnetic A2 Drawing Board with Parallel Ruler for Architecture and Design Professionals Ergonomic Handle for Easy Portability Ideal for Students (60x45cm)
