Nano Powder Metal® (extremely small particles that leave for 0% impurities when looked at under a microscope) provides a sharp and clean cut to the hair ends. This type of metal is unlike any other in the market. This latest high-tech development in scissor production uses powder metallurgy to produce scissors of unprecedented strength and sharpness. While other companies claim to us powder or Nano Powder Metal “, it is important to ask questions such as where your metal is researched where it is sourced and confirm the validity of these claims. Mizutani has and always will be committed to quality over anything. You can find the information pertaining to the research it has taken as well as what Nano Powder Metal® is and is not here.