This is a Deba knife made by Katsuhisa. Total length: 29 cm Blade length: 15 cm Thickness: 5 mm Finished with natural whetstones. Thank you for viewing. Small blade already sharpened. Examples of whetstones used: PA #120, PA #320, GC #220, Diamond whetstone, C #500, King #1000, WA #1000, Blade Black Curtain #2000, Naniwa Kagaku Finishing #4000, Otani Togi Kita-yama #8000, Natural whetstone Gensho-to, Natural whetstone Iyo-me-to, Natural whetstone Okudo Please wash with detergent before use. Knives are 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.