New Trizor® technology knives are 2 to 3 times sharper and stay sharp up to 10 times (10X) longer. Handsomely handcrafted from a unique and extraordinarily tough high carbon stainless alloy. Chef'sChoice® cutlery is fully forged and processed using aerospace technology. Features: Sharper edges for the pleasure of complete cutting control and effortless cutting Longer edge retention means more cutting, less re-sharpening and knives last longer. Handcrafted handsome design Full-length tang for perfect balance and contour...feel the control. Molded-on handle seals out dangerous bacterial contamination.