Aluminum ruler 36 inches long, which is equipped with longitudinal slots. In them you can insert and fix different attachments as you wish. Want to make markings? Use a pen and level ampoules. Need to trim something? Pull out the knife guide. With two built-in scales with 1/8-inch graduations and a special "zero" marking, the Kapro 314 ruler is simply made for precise geometric constructions. Mark the perfect tile, level cabinets, mark shelves - it'll make everything perfect. This device will be helpful and carpenters, and finishers, and homemakers. It can be used when working with drywall, wood, wallpaper - it will cope with any repair and interior decoration. The attachments slide smoothly along the grooves and are securely fixed, ensuring maximum accuracy of work. The ruler is made of durable aluminum alloy, heavy and very strong.