The Koi Knife 3 SetYour kitchen, your combination. The Koi 3 Set lets you choose any three knives from the Koi Collection built around how you actually cook, not how someone else thinks you should. Each knife is forged in Japanese VG10 steel, hardened to 6062 HRC, and hand finished in South Australia on second generation blacksmithing heritage. G10 scale handles in Koi Colours. Whether you reach for a Gyuto, a Bunka, a Santoku, or a Petty every combination is built to