asa ULTIMATE ROTATING PLOTTER.
Durable Lexan® resin won't melt, warp or break in extreme temperatures guaranteed! Rotating azimuth eases flight planning with direct course readout. 8 scales to meet the needs of all VFR aeronautical charts: nautical on one side, statute on the flip. Nautical-statute conversion scale also included. Made in the USA. Lifetime warranty. 13-1/4" long.