Fangrui Product Details Package Content: You Receive 2 Pilot Tools Attached Instructions For Use, There Are Enough Quantities To Meet Your Use Needs And Requirements, You Could Also Share Them With Other People Reliable Plastic Materials: Accessories Are Made Of Quality Plastic Materials, Which Do Not Easily Melt, Warp And Break, Ensuring Serviceability Even At Extreme High Temperatures, They Can You For A Long Time Standard Measure Tools: The Aviation Plotter Measures In Nautical Miles And Legal Miles As Well As In -sectional Scale (1: 500, 000), Scale (1: 1, 000, 000) And Terminal Area (1: 250, 000), Increasing Accuracy And Efficiency In Your Work And Study Convenient To Read: The Airplane Plotter Is Designed With Opaque White Background And Uniform Words, Which Are Easy To Read Scale, And They Do Not Fade Easily, Providing You With A Nice Using Experience Wide Application: Aviation Accessories Can Be Applied In Flight Planning, Flight Training And Study, The Portable And Accurate Tools Are Practical , Which Are S