L.S. Starrett 439 Series Builder's Combination Tools

• 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