New Stone Barrier Kitchen Knife & Sharpener Set Retaining its incredible sharpness, the handle has been renewed from wood to resin, making it dishwasher safe. The uneven surface helps food release easily, and it's also resistant to rust. Cleaning and sharpening are easy. We've put together a set with a sharpener developed specifically for the Stone Barrier kitchen knife. The sharpener can also be used on other knives (double-edged blades only). (Quoted from the website) [New Stone Barrier Kitchen Knife] Size: Approximately 32cm in total length, blade length approximately 18cm Materials: Blade: Molybdenum vanadium stainless steel (fluorine resin coating) Handle: Polypropylene resin (heat resistance 90 degrees Celsius) Made in Japan [Sharpener] Body: ABS resin, elastomer resin, stainless steel Coarse grinding stone: Tungsten steel Finishing stone: Ceramic Made in China Purchased in October 2025.