OIY1428 Features: * Reversible lock bolt allows blade to be turned over or end-for-end, without removing the lock bolt or nut * Multi-purpose uses include; 45 miter, depth gage, height gage, marking or scribing gage, a level, a plumb, and a precision rule * Spirit level in square and protractor heads * Center head accurately finds center of round work * Steel scriber * Protractor head has direct reading, double 180 scale * Hardened, machine divided graduations, blade * Beam Material: Forged Hardened Steel * Graduation(s): No. 4R - 8ths, 16ths, Quick Reading 32nds, 64ths * No. of Scales: 4 * Blade Material: Steel * Measuring System: Inch * Type: Combination Square * Price is for 1 Set * Testing and approvals: * Meets or exceeds accuracy and performance requirements of national and international standards and are traceable to the National Institute of Standards and Technology. Color/Finish: * Forged and hardened steel square heads and center heads, cast iron protractor head with smooth black finish Dimensions: * Blade Length: 12 in