Katana Saya Roller Sharpener

The Katana Saya Sharpener is a magnetic system that helps users achieve consistent blade angles for various types of knives, including hunting, European, and Japanese blades.

• The Katana Saya Sharpener claims to allow users to achieve an even grind quickly and effortlessly.
• The Katana Saya Sharpener claims to offer specific angles for different types of knives: 25° for hunting knives and cleavers, 20° for European blades, 18° for both European and Japanese knives, and 15° for Japanese blades.