Curve rulers are good for individual or classroom use or other detail work, such as design, architecture, drawing templates, and so on. Various shapes contain circles, oval, squares, triangles, hexagons and etc., which can help you design different graphs. Have on the outside to make the curves aren’t marked by pencils or pens, suit for most purposes of drawing and drafting. Feature - .Color: Green. - Material: Plastic. - Size: 20 x 9.8 x 0.2 cm. - Template and curve set: quality and useful template ruler set suits for most purposes of drawing and drafting. - material: made of tough plastic with smooth inking edge, in transparent orange, to use. - A variety of shapes: contains various sizes of circles, oval, squares, triangles, and hexagons which can help you design different graphs. - Wide usage: curve rulers are good for individual use, classroom use or other detail works, such as design, architecture, drawing templates, and so on. - Practical gift: It is a set of useful designing tools which can be a perfect present for people who specialize in . - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 set Rulers