The Ketuo KH-6603 is part of Ketuo's Kawahiro premium kitchen knife series. It's a Japanese-style chef's knife designed for both professional chefs and enthusiasts. Specifications Model: KH-6603 (Kawahiro Chef Knife) Overall length: 13.5 in (343 mm) Blade length: 7.88 in (200 mm) Blade steel: Three-layer composite steel with a VG-10 core Blade finish: Black oxide coating Handle: Ruby wood, ebony, and turquoise inlay Hardness: Approximately 61–62 HRC Weight: About 206 g (7.3 oz) Country of manufacture: China (Japanese-inspired design and materials) Performance Excellent edge retention thanks to the VG-10 core. Thin edge geometry makes it well suited for slicing vegetables, boneless meats, herbs, and general food prep. The black oxide finish helps reduce glare and offers additional corrosion resistance, though it should still be hand-washed and dried promptly.