The dividers allow you to measure distance in nautical miles when used in conjunction with the latitude scale of your nautical map. High Polished Brass Navigation Divider Compass ,Material : Brass & Steel - Finish : Shiny Brass. Perfect Use For Drawing Circles And Navigation One-hand Brass Dividers Can be Opened And Closed With One Hand While Performing Chart Work .Size : 7.9 Inches (20 cm) Length, 2.25 Inches (5.7 cm) Width Approx - Weight 80 Grams Approx " DUTY/TAXES ARE FREE SERVICE FOR ONLY U.S BUYER ".
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