Our product is a great instrument, which can be used in geometry, technical drawing, printing, engineering and building to measure distances or to rule straight lines. We have several different rulers for you to choose from! Plastic, wood, stainless steel, colored, clear, and so many other possible features. Shatter-resistant is why its great for students to keep in their desk or backpack, and the tool will last them years. Get special rules like angle ruler, master rulers, rolling ruler, and more.