Aritugu Kyoto Special Petty Knife with Bolster, 16cm Material: Swedish Steel (UHB) K121 Total Length: Approximately 275mm Blade Length: Approximately 160mm Weight: Approximately 108g This is a special petty knife made of Swedish steel K121 from the old days of Aritugu in Kyoto, which is no longer sold. Caution: The knife is prone to rust. After use, remove dirt and wipe off moisture. Leaving dirt or moisture on the knife can cause rust. To prevent rust, the knife is coated with camellia oil for knives. Please wash it thoroughly before use. There may be minor scratches, dullness, and sharpening marks that do not appear in the photos, as well as other imperfections. Everything included is shown in the images. Please purchase only if you understand that this is a used item. Instant purchase is welcome without comments. ★[Delivering the sharpness of hand sharpening]★ I sharpen it by hand using multiple whetstones. "Hand Sharpening Whetstones" Rough Whetstone Kai Shun Sintered #220, Medium-Rough Whetstone Naniwa Sintered #400, Medium Whetstone Kyozan HSS #1000, Medium Whetstone Kyozan HSS #3000, Finishing Whetstone Kyozan HSS #6000, Ultra-Finishing Whetstone Moritaira Hi #12000