This is a yanagiba knife, branded as "Kiyaya Bessaku." The steel material is white steel. Total length: 38 cm Blade length: 23 cm Finished with natural whetstones. Thank you for viewing. Example of whetstones used: PA120 grit, PA320 grit, GC220 grit, Diamond whetstone, C500 grit, King 1000 grit, WA1000 grit, Shapton Kuromaku 2000 grit, Naniwa Chemical Finishing 4000 grit, Otani Stone Kitayama 8000 grit, Natural whetstone Gensho, Natural whetstone Iyo Meito, Natural whetstone Okudo Please wash with detergent before use. The knife is prone to rust. After use, remove dirt and wipe off moisture. Leaving dirt or moisture on the knife can cause rust. Instant purchase is welcome without comments. Please purchase only if you understand that this is a used item.