Starrett® Builders Combination Tool, Series: 439, 18 in L x 1-1/2 in W Size, Graduations: #4 - 8ths, 16ths, 32nds, 64ths, 0 to 90 deg Measuring Angle, Measuring System: Imperial, 9 in Tongue, Steel, Polished Chrome

• This versatile tool is invaluable for carpenters, builders, patternmakers, cabinetmakers and all mechanics
• 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 0 - 90 deg in both directions showing the direct and supplementary angles, the other side is graduated in 1/2 in pitch increments from 0 - 12 in per foot pitch
• The stock has four levels which permits leveling or plumbing the work in relation to any angle or pitch
• The stock is 9 in L and the 1-1/2 in W blade is hardened and machine divided
• Rotate the blade to the desired pitch, place the face of the stock against the work and draw a line
• Then place the square end of the stock against the line and draw the complementary line
• This gives the complementary angle automatically, without calculation