52100 is a carbon steel with medium toughness and high edge retention 52100 All 9.50" Ash&Walnut Sujihiki @HRC62 Sale Price:$175.00 Original Price:$200.00 sale Add To Cart 7.25" Walnut&Ash Kiritsuke @HRC 61 $225.00 Add To Cart 7.25" Cherry&Maple Kiritsuke @HRC62 $225.00 Add To Cart 6.25" Walnut Nakiri @HRC 61 $175.00 Add To Cart