12" Brushed Aluminum Arms Parallel Rule (Weems & Plath 140)

Sale price
$26.95
List price
$31.95
SKU WP140
Publisher Weems & Plath
UPC 721002001405

This sturdy 12-inch (30.48cm) parallel ruler with brushed aluminum arms is enscribed 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 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. 

  • 12-inches (30.48cm) long
  • Includes protractor scale
  • Brushed aluminum arms
  • Polished aluminum handle
  • Milled acrylic with beveled edges
  • Protective plastic sleeve
  • Lifetime warranty


Length: 12 in (30.48 cm)

Width: 2.5 in (6.35 cm)

Height: 0.5 in (1.27 cm)

Weight: 0.4 lb (1.27 cm)

UPC Code: 721002001405

HTS Code: 9017.80.0000

    Customer Reviews

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    Yoshikazu Imanishi
    Shipping cost

    If you suggest a lower cost option for international shipping, it would be helpful for my future order.

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