Knife Sharpener for Steel Ceramic Knives JL Future 3 Stage Stainless Steel Knife Sharpening System(Green) 3 Stage Knife Sharpening System - Stage 1 for dull or blunt knives; Stage 2 for knives daily maintenance; Stage 3 ceramic knives. Appropriate size: 23.8cm*4.2cm*6.7cm(9.4*1.7*2.6); Soft grip handle for comfort and control. Non-slip base for safety. Easy and quick to sharpen knives; 3-5 strokes can give you a new knife. 0.2Slots work for both Ceramic and Steel knives for its three rods of different materials (Tungsten Carbide, Ceramic, and Electroplated hard metal). Elegant Design and Durable Construction; The JL Future knife sharpener is designed to be able to complement almost any kitchen design.