Combines seven tool functions in one compact, practical unit It is a rule, square, level, plumb, protractor, bevel, and pitch-to-foot indicator On one side the protractor is graduated from zero to 90° in both directions Gives the direct and supplementary angles The other side is graduated in 1/2" pitch increments from 0-12" per foot pitch The 9" stock has four levels which permits leveling or plumbing the work in relation to any angle or pitch Can be folded compactly to fit a tool chest 1 1/2" wide blade, machine divided graduations For use in laying out or cutting valleys or hips of different pitches.