Rulers are measuring tools used to accurately measure length, width, or height of an object. They come in different sizes and materials ranging from plastic, metal, or wood. Rulers are essential for various industries including architecture, engineering, and construction. They can feature different units of measurements such as inches, centimeters, or millimeters for precise measurements. Rulers may also have markings for fractions making it easier to measure precisely. They are available in various types including straight rulers, triangular rulers, folding rulers, and more. Some rulers may also include additional features such as a protractor or level. CSP utilizes brands such as Alvin, Rhino, and Lufkin.
