Material: made of plastic,digital clear, help fast accurate measurement
2 Pieces of large clear triangle rulers:One of the right-angle sides of the 45/90-degree ruler is 8.3 inches, and the beveled edge side is 11.7 inches;the 30-60 degree ruler has a longer beveled edge side of 13.5 inches long and the shorter right-angle side is 6.8 inches long
Middle hollow design: easy to pick up and hold with your hand,45/90-degree ruler can also be used as a protractor
Function: Suitable for students, teachers, engineers, designers, artists and so on
