Robert Welch Signature Knife Sets & Knife Block Sets. Fully forged and robotically engineered. Full tang for extra strength, with weighted bolster which ensures pleasing balance in the hand. Made from German DIN 1.4116 stainless steel & hardened to Rockwell 55-5 Razor sharp blade due to World Edge Geometry. Ergonomic handles that fit comfortably into any size or shape of hand.