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.
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paul, texas KD5IVP