Scratch knives are the preferred tools for traditional scratchboard art. Made from high carbon steel, they're heat-treated to retain sharpness and plated to resist rust. Scratch tools are designed for sgrafitto techniques to produce lines and create terrific textures. Fits into most standard penholders. Includes 5 cutters with 5 handles. Nibs include No.1 for medium to fine lines, No.2 for medium to broad lines, No.3 for small dots and circles, No.4 for clearing large areas, No.5 for cross hatching and multiple patterns with 4 lines.
