Compute A Course

The racing calculation rule is a compact and versatile tracing tool, great for adding to your general navigation or commercial navigation tools. Navigation tools can be used for position determination, course tracing, and distance measurements with included scales. The use of the notation scale on the instructions of the navigation tools makes calculations of time and distance easy.

The race calculation rule comes with instructions for navigational tools in a reusable zip lock storage bag. The navigation tools include a lifetime warranty.

Weight: 0.25 lb (113 g)
Dimensions: 183 x 216 mm (7-3 / 16 "x 8-1 / 2")