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Starrett 434-18-16R Forged, Hardened Square, Center And Reversible Protractor Heads With Blade Combination Set, Smooth Black Enamel Finish, 16R Graduation, 18" Size: Construction Protractors: Amazon.com: Tools & Home Improvement
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Starrett C9-12-4R Combination Set, With Cast Iron Heads, Centering, Square And Protractor Heads, Black Wrinkle Finish, Satin Chrome Blade, 12", 4R Grad - Carpentry Squares - Amazon.com
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