Package Content: you receive 2 pilot tools attached instructions for use, there are enough quantities to meet your use needs and replacement 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 suitable for printing some patterns, measuring some data and more. Nice gifts: You could send the plotter kit as a gift to your family, friends, colleagues and many other people, they be happy and surprised when they receive such a practical and nice gift, showing your care and promoting your relationships. Material: Plastic colour: transparent Package Contents: 2 x Aviation plotters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.