Package Contains - 200 Hobby Knife Blades Ideal for Cutting Intricate Details on Paper, Cloth, Cardboard, Thermocol, Plastic, Wood Carvings and Lightweight Craft Materials. Great Blades So Far :Razor-sharp premium blades are made from solid SK-5 high carbon steel for a sharp edge that lasts. Fit In All Fine Craft knives :Our blades are standard #11 fine point blades and fit all craft knives. Wide Application :Ideal for cutting wood, cardboard, paper, plastic, cloth, leather and foam board craft. Rust Resistant & Lubricated :Finely coated with a thin layer of lubricant to protect the blades from rust and ensure quality after prolonged storage.