Weems Plath 18" Aluminum Arms Parallel Rule

The 18-inch (45.72cm) Aluminum Arms Parallel Rule feature aluminum arms that join two clear acrylic rulers inscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose. 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.

• 18-inches (45.72cm) long
• Protractor scale
• Sturdy clear acrylic with aluminum arms
• Protective plastic sleeve
• Limited Lifetime Warranty
• NSN: 6605-04-556-9178

Specifications

• Length: 18 in (45.72 cm)
• Width: 2.6 in (6.6 cm)
• Height: 0.5 in (1.27 cm)
• Weight: 0.5 lb (1.27 cm)
• HTS Code: 9017.80.0000

WARNING: This product can expose you to chemicals including lead, DEHP, and/or wood dust which is known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov.