Of all our traditional parallel rulers the 15" Brushed Aluminum Arm Parallel Ruler is the best seller. This sturdy acrylic parallel ruler is easy to use and is a necessary tool for every seagoing navigator. Brushed aluminum arms. Polished aluminum handles. Milled with bevelled edges. Includes protractor scale. Dimensions: 1/4" (6 mm) Thickness 15" (381 mm) Length.- SKU: WMPT104

Of all our traditional parallel rulers the 15" Brushed Aluminum Arm Parallel Ruler is the best seller. This sturdy acrylic parallel ruler is easy to use and is a necessary tool for every seagoing navigator. Brushed aluminum arms. Polished aluminum handles. Milled with bevelled edges. Includes protractor scale. Dimensions: 1/4" (6 mm) Thickness 15" (381 mm) Length.- SKU: WMPT104