24" x 2" Body. 16 x 1-1/2" Tongue. Embossed Graduations and Markings on Both Sides. 1/8" Graduations on Face and Back. Provides Helpful Reference conversion Tables Including: Lumber Scale, Decimal Equivalent and Metric Conversion Table, Formula for Squaring a Foundation, 45, 60, and 30 deg. Angle Markings, Volume & Area Formulas, Wood Screw Gauge Table, Nail Sizes (Common & Finish), and Quantity per Pound & Depth Scale. Buffed Finish.