This hollow-edge rocking Santoku knife is a functional hybrid between the traditional Japanese and Western style blades. How it's made: The blade was redesigned with a broader curve in the front to facilitate the rocking motion of Western cutting, while the straight back is ideal for the Asian chopping motion. The SIGMAFORGE knife is forged from a single piece of special formula high-carbon no-stain stainless steel. The ice-hardened FRIODUR blade starts sharper, stays sharper longer and has superior resilience.Additional feature: The unique blade shape and ergonomic bolster are the result of 280 years of experience in knife making, and the rigorous study of how knives are used. A unique curved bolster supports the professional pinch grip, with thumb and index finger on the blade, for safe cutting and less fatigue.Sizing information: 0.8 lb.; 16.5" x 2.75" x 1.6"; 5.5-inch blade. Full tang and handle are triple-riveted for superb stability Stainless steel Dishwasher safe; hand wash recommended Made in Germany