Photo 1 of Saysurey Parallel Ruler Marine Navigation Tool with Clear Scales Parallel Ruler with Brushed Aluminum Arms Nautical Charts Navigation Tools for Boat Ship Drawing(12 Inch)

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Photo 1 of Saysurey Parallel Ruler Marine Navigation Tool with Clear Scales Parallel Ruler with Brushed Aluminum Arms Nautical Charts Navigation Tools for Boat Ship Drawing(12 Inch)Photo 2 of Saysurey Parallel Ruler Marine Navigation Tool with Clear Scales Parallel Ruler with Brushed Aluminum Arms Nautical Charts Navigation Tools for Boat Ship Drawing(12 Inch)