- Japanese high carbon steel for extra sharp teeth and maximum blade durability - Tri-Edge performs clean and smooth cut without scratching the surface - Rust resistant hard chromed blade made of high carbon steel - Ultra high frequency heated teeth are hardened, which increases the durability of the saw¡¯s cutting edge - Tapered blade provides a smoother, faster cutting performance with the least amount of harm to the cut branch - Ideal for pruning, forestry, fruit trees, etc.