Package includes: You will get two triangle rulers of 12 inches and 7 inches respectively. They have clear Imperial size, enough to be used for all construction and renovation projects, including woodworking enthusiasts, artists and DIY enthusiasts. Material: The carpenter square is manufactured of high quality aluminum alloy with black matte finish to prevent glare, corrosion resistant and durable, not easy to break. Unique design: Its thick edge can be used directly with the saw against the square for cross cuts or angled cuts using the etched protractor scale, let you quickly and accurately mark your cut lines on your stringers. Easy to use: The triangle ruler checking angles is quick and easy. with clear and accurate scale, easy for you to read. a wider base that provides stable grip on Wide application: The triangle ruler can be used as a protractor,miter,line scriber saw guide,framing square and a ruler,ideal for all building and remodeling projects