Experience Precision Edge Control with the Risan Adjustable Angle Knife SharpenerThe Risan Adjustable Angle Knife Sharpener lets you dial in the exact sharpening angle for your knife - ideal for cooks who want precise control over their edge geometry. New and unused, in original box.The Specs Type: Manual knife sharpener Angle adjustment: User-adjustable Condition: New - never used, original box Why the Risan Adjustable AngleDifferent knives require different sharpening angles - a Japanese knife typically sharpens at 15 degrees per side, while a Western knife sharpens at 20-25 degrees. The Risan Adjustable Angle Knife Sharpener gives you control over that angle, so you can match the sharpening geometry to your specific knife. Suitable for Western chef's knives, Japanese double-bevel knives, and most kitchen blades.Care & Maintenance Rinse sharpening slots with warm water periodically to remove metal filings Store in a dry place Not suitable for serrated blades or single-bevel Japanese knives