Our scissors use the stainless steel special cutlery steel manufactured based on the raw material iron with high purity. The character of the iron is excellent in hardness, wear and abrasion resistance, and the resistance to corrosion. The scissor blades are sharpened by our unique method that is the first of its kind. Blades are hardened and then annealed in a complete vacuum, with the blades sharpened to a point in finishing the scissors. After vacuum annealing and sub-zero treatment is provided by our own special unique process.