The 15-inch (38.1cm) Brass Parallel Rule is assembled with high-quality solid brass arms and handles, adding a bit of traditional elegance to a classic navigation tool. The sturdy acrylic parallel rules are inscribed with a protractor scale and are a reliable way to plot a course by walking the rules across a chart. 15-inches (38.1cm) long Includes protractor scale Solid brass arms and handle Milled acrylic with beveled edges Protective plastic sleeve Length: 15 in (38.1 cm) Width: 3 in (7.62 cm) Height: 0.5 in (1.27 cm) Weight: 0.4 lb (181 g)
