Parallel Rule with Protractor Scale 15″ (380mm)


Manufacturer: Weems & Plath
Size: 15″ (38.1cm)
Scale: Protractor Scale

Only 2 left in stock

SKU: 721002001412 Category:


Parallel Ruler with Protractor Scale 15″

Of all our traditional parallel rulers, the 15-inch (38.1cm) Brushed Aluminum Arm Parallel Ruler with Protractor Scale is a best-seller. This sturdy acrylic parallel rule includes a protractor scale, is easy to use, and is a necessary tool for every seagoing navigator.

The two straight-edged rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course.


  • 15-inches (38.1cm) long
  • Brushed aluminum arms
  • Polished aluminum handle
  • Milled acrylic with beveled edges
  • Includes protractor scale
  • Protective plastic sleeve
  • Lifetime warranty