Plastic Flight Ruler Flight Calculator Square Ruler Vector Rotation Plotter Navigation

Vector Measurement: This square flight ruler helps to learn vector knowledge and serves as an aviation measurement ruler to make clearer plots and surveys in planning or study work

Precise tracing: The flight navigation compass ruler allows you to draw an arc, measure the size and thickness of a line, and complete geometric plots with a single multifunctional tool

Practical material: made of rust-resistant material, this plastic square is suitable for most use situations and remains suitable for the daily needs of students and carpenters alike

Compact size: With its dimensions of 140 x 148 x 3 mm, this square aviation ruler fits easily into a pencil case, workshop bag or tool box for easy transport

Versatile use: Comes with 1 multifunctional ruler, this ruler with calculator meets the needs of drawing, dimensional measurement and school or professional work for precision enthusiasts