Free Shipping on Every Product

Call Toll Free



Nautical Resources


Click for Close Up

Weems and Plath Bi Rola Rule
Weems & Plath Nautical Supply
Weems & Plath Nautical Supply
For A Limited Time
We Invite You To Use Our Discount Code of:


For A 5% Discount At Checkout

Made with the professional in mind, the Bi-Rola Rule has a considerably larger body than the smaller bi-rola rule. Built to take rigorous use aboard commercial and blue water vessels, the P.R. 500 provides one of the easiest methods invented for plotting courses.

  • Patented four-way rolling motion
  • Roller body has protractor markings every 1/2 degree
  • 1-1/4" magnifying lens for enhancing chart data
  • Easy to follow instructions
  • Packaged in a protective, durable vinyl pouch
  • Length: 19-5/8"
  • Width: 3-5/8"
  • Thickness: 1-1/4"
  • Weight: 1 lb. 10 oz
$224.99 $169.99
(Savings: $55.00)
Request more information!
Add To Cart
Add To Saved Cart
Email Friend