Compact and multifunctional: 3 in 1 ceramic knife sharpening system Housing for ceramic knives; coarse housing for fine metal dull knives and slot for finishing and polishing edges, or perfect for touch-ups of light to already sharpened knives. Fast and safe: no more fears of damaging your expensive pocket knife knives with stones, or buying all new knives because professional sharpening services are too expensive or waste time. Just a few sharpening pulls through the slot and your knife case will be restored with precision edges. An ergonomic, non-slip design ensures safety when sharpening your knives. Non-slip base: The non-slip rubber base provides ultimate grip and increases safety. Just place it on a flat surface and you're ready to sharpen your knives. Ergonomic Handle: The ergonomic handle has been designed to provide a firm, steady grip safely away from the blade of the knife while sharp. Lightweight and durable: The plastic body is made of lightweight, strong ABS plastic, which protects them from forming cracks due to repeated use and also provides a grippier surface that plastic. Size: 20.5 x 7.5 x 6.5 cm (length of the sharpening edge) Delivery quantity: 1 piece