Patented knives are designed with an ergonomic handle for easy and comfortable gripping. The handle is well balanced and comfortable, complemented by the signature single mosaic rivet. Handcrafted full-tang knives are made from tight-grained X50CrMoV15 German Steel for durability, stain resistance, and exceptional edge retention. Our proprietary ULTRA6 heat treatment ensures each blade maintains its strength and function, while being hand sharpened to a 16-degree angle per side. HRC 58 +/- 2 on the Rockwell Hardness Scale. Includes 6" Chef's Knife and 3.5" Paring Knife to help with a variety of cutting tasks. NSF Certified with a Lifetime Warranty against manufacturer defects. To clean, wash knives with warm water and a little detergent, rinse carefully, and dry with a towel.