The blue ceramic is perfect for fine sharpening as well as keeping particularly hard knives sharp. The handle is ergonomic and has an eyelet for hanging. The metal toggle protects the hand when sharpening and the shape prevents unintentional rolling away from the work surface.
The oval shape of the oxide ceramic allows for additional variation of sharpening pressure by simply rotating the rod. The wide face of the oval grinding surface exerts less pressure on the blade than the narrow grinding surface.
The blue ceramic optimizes knives in fine grinding with a grit size of F360/J800.
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