This is a top-of-the-line ushigatana (chef's knife) from the original maker. Total length: 40 cm Blade length: 27 cm Steel: All steel Finished with natural whetstones. Thank you for viewing. Example of whetstones used: PA #120, PA #320, GC #220, Diamond whetstone, C #500, King #1000, WA #1000, Blade Black Mark #2000, Naniwa Chemical Finish #4000, Otani Whetstone Kitayama #8000, Natural whetstone Gensho, Natural whetstone Iyo Meito 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 blade can cause rust. Instant purchase is welcome without comments. Please purchase only if you understand that this is a used item.