Weems 15" Parallel Rulers Brushed Aluminium Arms

Of all the traditional parallel rules, the 15-inch (38.1cm) Brushed Aluminum Arm Parallel Rule is a best-seller. This sturdy acrylic parallel rule includes a protractor scale, is easy to use, and is a necessary tool for every seagoing navigator. The two straight-edged rules are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving rule, you can effectively plot a course.

• 15-inches (38.1cm) long
• Brushed aluminum arms
• Polished aluminum handle
• Milled acrylic with beveled edges
• Includes protractor scale
• Protective plastic sleeve

Length: 15 in (38.1 cm)

Width: 2.5 in (6.35 cm)

Height: 0.5 in (1.27 cm)

Weight: 0.4 lb (0.15 kg)