• Incredibly-handy measuring tool for professional carpenters, builders, roofers
• Combines functions of sliding T-bevel, miter square, combination square and protractor
• Measures virtually any angle easily, quickly and correctly - plus complementary angle
• Position-lock allows use as template to transfer from workplace to saw
• Heavy-gauge non-corroding aircraft aluminum, stainless steel hardware; 15" length

Essential 'measure twice, cut once' tool that'll pay for itself many-times over by helping prevent wasted cuts. Premium-grade design and construction quality - built to last a lifetime.