Yoshihiro Vg1 Stainless Gold Steel 3pc Chef Knife Set (Santoku, Usuba, Petty) Grade : Gold Steel / Knife Type: Knife SET Santoku(Multipurpose Knife), Usuba(Vegetable Knife), Petty(Utility Knife) Steel Type: VG-1 Gold Steel Warikomi Blade: Double-Edged (50/50) / Blade Length: Santoku 6.5" (165mm),Usuba 6.5" (165mm), Petty 5.25"(135mm) BOLSTER: Stainless Steel / Handle Material: Mahogany Handle Hardness Rockwell C scale: 60