Knife Sharpener KOOPOO Easy Knife Sharpener 3-Stage Professional Knife-Sharpening System | Sharpens Both Steel & Ceramic Knives in All Sizes 3 STAGE Sharpening: Instant correct sharpening angle when you place your knife. Ceramic Slot for ceramic knives. Coarse Slot for dull steel knives. Fine Slot hones ALL blades to razor sharp EASY and FAST: Just 3 to 4 pulls through the sharpener is all it takes to restore any knife to a precision edge. No more grinding and damaging your precious knives with handheld stones SOLID and NON SLIP: Engineered with solid ABS plastic body and slip-resistant rubber feet Sharpens ALL SIZE: From paring knives, chef's knife to hunting and survival knives, this sharpens ALL. HAND IS SAFELY AWAY: The handle of this sharpener is at the side so your hand is safely away from the moving blade during sharpening