15" Value Parallel Rule #145

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The 15-inch (38.1 cm) Value Parallel Rule is a basic parallel rule without a protractor scale. Ideal for teaching applications, this clear acrylic & aluminum parallel rule is used to plot a course from a compass rose on a chart. 15-inches (38.1 cm) long Brushed aluminum arms Polished aluminum handle Milled acrylic with beveled edges No protractor scale Protective plastic sleeve Lifetime warranty Show more