Key Features :
i : The classic school protractor!ii : This 180 degree protractor is made of crystal clear plastic construction so you can easily see the angle you're drawingiii : Features 6" and 10cm rulers for easy measuringiv : Integrated centering hole is easy to set at the angle start point, and the angle graduations allow you to measure angles right to left or left to rightv : Protractor edge features beveled edges for clean, accurate lines!vi : Customer will receive (25) 6" Standard Protractors