Unique Saw blade can be used in most of the heavy-duty (L Type) cutters. It turns an utility knife into a saw. Ultra sharp, premium grade, Japanese-style cross-cut blade cuts smoothly on the pull stroke. This saw blade features convex curved tip to allow you to cut into the surface so you can begin a cut from anywhere on the surface, not only from the edge. The uniquely designed "raked" teeth, helps keep saw dusts from building up in kerfs. The blade is made from carbon tool steel and hardened by a special heat-treatment to obtain the optimum sharpness, durability and wear-resistance. Great for woodcraft & hobby projects, model-making or other fine work. This 18mm saw blade will fit into heavy duty screw-lock utility knives. Made in Japan. One blade per pack.