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 Length: 15 in (38.1 cm) Width: 2.6 in (6.6 cm) Height: 0.5 in (1.27 cm) Weight: 0.4 lb (0.18 kg)
