Sakai Registered Tatsunori Black-forged Santoku knife, marked "Bettan". Total length: 31 cm Blade length: 16.5 cm The handle has been waterproofed with wax. Excellent sharpness. Finished with natural whetstones. Thank you for viewing. Examples 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 Toishi Kitayama 8000 grit, Natural whetstone Gensho To, Natural whetstone Iyo Meito, Natural whetstone Okudo Please wash with detergent before use. Knives are prone to rust. After use, remove any 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.