Description
This sturdy 12-inch (30.48cm) parallel rule with brushed aluminum arms is inscribed with a protractor scale. It is used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight-edged rules are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving rule, you can effectively plot a course.
- 12-inches (30.48cm) long
- Includes protractor scale
- Brushed aluminum arms
- Polished aluminum handle
- Milled acrylic with beveled edges
- Protective plastic sleeve
- Lifetime warranty
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