Amazon.com: MASAMOTO KS Japanese Usuba Knife with Sheath 6" (150mm) [HONBAZUKE] Made in JAPAN, Professional Japanese Vegetable Knife, Ultra Sharp Japanese Carbon Steel Blade, Wood Wa Handle, Black Ferrule: Home & Kitchen
Amazon.com: Yoshihiro Left Handed Kasumi White Steel Edo Usuba Traditional Japanese Vegetable Chopping Chef Knife (7.5'' (195mm)): Home & Kitchen
Tsunehisa Usuba 165mm (6.5") – SharpEdge
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KAI Japan Seki Usuba Vegetable knife 6.5in 165mm High carbon stainless AK5070 | eBay
Sakai White #2 Usuba 180mm
Nakiri vs. Usuba: What's the difference? | Knifewear - Handcrafted Japanese Kitchen Knives