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)