ASC 2 10" Scale - Convenient length for cockpit use
Outside edges read to 70 Nautical Miles in 1:500,000 and to 35 Nautical Miles in 1:250,000 respectively. Centre scale converts between Kilometres and Nautical Miles to 75 Nautical Miles. All Scales and Protractors are manufactured to withstand perpetual use. Each supplied in polythene slip case.