FEATURES Reversible lock bolt Hardened steel, photo-engraved blade Satin Chrome Finish Blade Forged and Hardened Steel Heads with Smooth Black Enamel Finish SPECIFICATIONS Made in America: Yes Blade Length (in): 4" Blade Finish: Satin Chrome Graduation Type: 4R Graduations: 8ths, 16ths, Quick Reading 32nds, 64ths Head Finish: Smooth Black Head Material: Forged Steel Head Types: Square, Center Number of Pieces: 3