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