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Weems & Plath Bi-Rola Rolling Ruler P.R.

W&P 220 Made with the professional in mind, the P.R. 500 has a considerably larger body than the smaller Bi-Rola™ rule. Built to take the rigorous use aboard commercial and blue water vessels, the P.R. 500 provides one of the easiest methods invented, to date, of plotting courses. Dimensions: Length 19-5/8", Width 3-5/8", Thickness 1 1/4". Weight: 1 lb. 10 oz. Features:

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 Comes packaged in a protective, durable vinyl pouch

#NWP220 $249.99