Jarvis Walker 7 Inch Fillet Knife with Sheath and Hone Stone The Jarvis Walker Fillet Knife and Hone Stone pack comes with a sheath to keep the knife protected and secure at all times. The hone stone will keep the fillet knife sharp for years. The knife is designed with a solid grip perfect for the precarious task of preparing fish. Flexible high grade stainless steel blade Ergonomically designed contoured handle Plastic sheath included Hone stone for sharp knives and hooks