@boat.living: Adjustable Angles: Customize the sharpening angle from 12° to 24° to preserve knife blades Ease of Use: Simple snap-between mechanism for quick setting adjustment Efficient Dual-Stage System: Features tungsten and ceramic stages for fast dull metal removal and polishing Quick Sharpening: Achieve whetstone-level precision without the learning curve, saving time and effort Time-Saving: Transforms dull knives to razor-sharpness quickly, getting you back to cooking faster Versatile Use: Suitable for both fine Japanese chef knives and rugged outdoor blades