The Sora series of knives is made in Japan. Proprietary blade technologu-permanently joins the VG-10 three-layer san mai edge to the Japanese 420J stainless steel upper. This technology puts high-performance material exactly where its needed most-on the cutting edge.Razor-sharp 16 degree edge each side, hand-sharpened.Traditional style handle of textured PP/TPE provides excellent grip, easy maintenance. If you bake or buy whole loaves of bread, this knife will be one of the most used tools in the kitchen. Kai bread knives feature razor-sharp, wide, “low frequency” serrations. The serrations let you gently cut through bread without crushing and with fewer crumbs. Unlike sawtooth serrations, our wide serrations cut through the braed without tearing, keeping the breads texture intact.