Product Description Excel Blades #16 Hobby Blades Carbon Steel Stencil Edge Blades Excel Blades #16, Stencil Edge Hobby Blades, are a top choice for professionals and hobbyists who require precision cutting tools. Made from high-quality carbon steel, these double-honed stencil-edge blades provide exceptional sharpness and durability, making them perfect for detailed cuts on paper, stencils, film, photographs, cardstock, cork, and thin plastic materials. These #16 replacement blades fit seamlessly into the Excel K1 aluminum handle and most standard craft knife handles that accommodate #16 blades.