A premium Japanese stainless steel with an excellent corrosion resistance. Molybdenum alloy is added to increase toughness and strength. After heat treatment, this metal is capable of attaining and awesome hardness and wear resistance. Rockwell Hardness: 58-60. "FOR A MUCH LARGER DETAILED PICTURE OF THIS SHEAR, FIRST CLICK ON "VIEW FULL SIZE" THEN CLICK ON MAXIMIZE BUTTON IN THE UPPER RIGHT HAND CORNER OF THE PICTURE".