Get the all the accurate measurements you need for your homeworkl or project with this combination square! The combination square set also includes two rotatable rulers to assure accurate balance and evenness on your project. And they can replace compasses to draw arc as well as measure the size and thickness of a line. Great combination set for pros and hobbyists to get thorough and accurate dimensions of their work. Feature - Color: As Shown. - Material: Plastic. - Size: About 17x6x0.5cm. - Good material, and rustproof, fit for most situation. - Precise level and , less deviation, better work performance. - Can serve as compasses to draw arc as well as measure the size and thickness of a line. - for students and Carpenters. - Warm Tips: 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 x multifunctional ruler