Combination Square Number of Pieces 1 Head Type CNC Machined Blade Length (In.) 12 Graduation Type Stamped Graduations 8ths 16ths 32nds mm Head Size (In.) 4 Head Material Cast Zinc Black Chip-Resistant E-Coating Finish Steel Blade Material Powder Coat Blade Finish Durable Acrylic Vial Reversible Head With Lock Bolt And Steel Screw Includes Scriber