These knives are handcrafted from high-quality Swedish 14C28N Steel to ensure durability and resistance to stains. The design is patented by the USPTO. The blades undergo advanced heat treatment to maintain strength and function, with an edge that outlasts German Steel. The knife has a well-balanced, 4.75" handle and 5" blade, with a Rockwell Hardness Scale rating of HRC 59 +/- 2. It also comes with a carbonized solid Ashwood half open magnetic sheath for protection. The serrated blade is perfect for cutting a variety of foods, without causing damage. Additionally, the sheath uses strong magnets to keep the knife secure. These knives are NSF International Certified with a Lifetime Warranty against manufacturer defects. They should be washed with warm water and detergent, then dried with a towel.