Enhance your Ken Onion Edition Work SharpA(R) Mark 2 Electric Knife and Tool Sharpener even further with this Blade Grinding Attachment. Accessory for Ken Onion Edition Work SharpA(R) Mark 2 Sharpener (742104) Does not include Sharpener Larger 1" x 18" flexible abrasive belts Edge angles adjust from 10Adeg to 35Adeg (3) convex edge profile settings 90Adeg Grind Plate and Platen: Grind knife spines or reprofile blades quickly with no chatter