Whether you prefer Sectional aeronautical charts, WACs, TACs, or a combination of VFR maps, ASA's Ultimate Micro Plotter is the only tool you need for reliable distance & course measurements on all your VFR charts. This durable Lexan® plotter features an incredible 8 scales - every scale used on all VFR aeronautical charts! For added simplicity, one side is nautical mile (NM) and the other provides statute mile (SM) measurements. Also includes a nautical-statute conversion scale. Measures 8" long - perfect for your shirt pocket - and comes with a lifetime warranty. A high-caliber product that won't break, melt, or warp in extreme temperatures - guaranteed!