This is a 73-layer Damascus gyuto knife, with SKD11 die steel for the core steel and SUS410/SUS304 for the side layers. This knife has a sharp and excellent cutting edge that rivals powder high-speed steel. The sides are also made of multi-layered stainless soft steel, making the blade rust-resistant and very beautiful. The hardness is 63 HRC. The handle is made of laminated reinforced wood, making it a hygienic handle. *Please note that returns and exchanges are not accepted, so please purchase only if you understand this. [Sensuke Gyuto Knife] ■ Blade Length: 210mm ■ Material: SKD11 die steel ■ Handle: Black laminated wood ■ Blade: Double-edged (right-handed/left-handed) *Important Notes ・Although it is a rust-resistant material, after using the knife, remove any dirt and thoroughly wipe off any moisture. Leaving moisture or dirt on the blade can cause rust. ・Do not use in dishwashers or dish dryers. ・Do not use on frozen foods, corn, pumpkins, dried mochi, or hard ingredients such as bones or shells, as this may cause chipping, breakage, or blade damage. Thank you for viewing.