Pika, the Chicago Cutlery blades will shave and hold an edge.
At Wally-world, these cheapies work really well. Not just sheet metal blades but actually angled, tempered stainless. http://www.walmart.com/ip/Chicago-Cutlery-Vivid-3-Piece-Chef-Utility-Parer-Knife-Set/23000739
Pick one, throw the rest in a drawer:http://www.walmart.com/ip/Top-Chef-6-Piece-Colored-Knife-Set-Professional-Grade/40464955
They have tons of the things hanging on the wall there.