Ruler Length: 12"Head Length: 4"Ruler Material: Coated SteelGraduations: 1/16" Top And 1/32" Bottom On One Side, Other Side 1/8" Top And 1/16" BottomUse To Mark 45 Degree And 90 Degree Angles, Measure And Check DepthSlide Ruler And Lock Into Position For Accurate Measurement MarkingBuilt-In Scriber For Surface MarkingRust Resistant Coated Blade And Brass Hardware For DurabilityBuilt In Level With 360 Degree Easy Read Vial