More Functions than Ordinary Rulers - Rejecting a single function, Pwsap multifunctional geometric ruler can be equivalent to the sum of the functions of a straightedge, a protractor, a triangular ruler and a compass Set of 2 Multifunction Drawing Tools - Upgraded drawing ruler has a variety of shapes, such as: flower, sun, heart, chicken, bone, small fish, exclamation mark, umbrella, moon, arrow, cloud, pentagram, water drop, petal, square, triangle, hexagon, cone, circles of different sizes, rectangles, arch bridges, curves, straight lines, arcs, etc. Excellent Value for Money - Unlike other metal rulers, our rulers are durable, light weight and easy to carry. You can also activate your little head and get more functions. Draw cylinder, cone, cube, parabola, golden section, angle bisector, perpendicular, etc. or various other complex shapes Accurate and Clear - The scale is clear, allowing you to think more clearly, to observe easier, to make learning mathematics easier, and to improve learning and work efficiency. Draw various shapes to help develop your own manual skills and imagination Wide Applications - Not only for school teaching and student homework, but also for office, construction and engineering drawing. Whether you are an artist, student, pattern maker or designer, this ruler is a good helper for your work or study and an ideal drawing template