Hand crafted full tang knives made from X50CrMoV15 German Steel for durability, stain resistance, and edge retention. Each blade undergoes a six-stage heat treatment to maintain strength and function. HRC 58 +/- 2 on the Rockwell Hardness Scale. Set includes: 8" chef's, 7" Santoku, 8" bread, 5" serrated utility, 3.5" paring and block. Designed to easily accomplish a variety of cutting tasks, this set includes common kitchen knives and specialty knives for advanced prep work. NSF International Certified. Lifetime Warranty against manufacturer defects. Wash knives with warm water, detergent, rinse and dry with a towel.