Johnson's 16" x 24" hi-visibility orange framing square features EZ Read numbers and graduations. This framing square is everything a builder needs to get the work done quickly, efficiently and accurately. It includes graduations in 1/8", 1/10", 1/12" and 1/16" as well as octagon scales, rafter tables, brace tables and board foot tables, making it useful for any number of different jobs.