Originally Posted by
ktbb
This company will accept your used blades and give you a discount on your purchase of new ones. check their website under the "exchange" tab to get more info. Even if they don't give a discount I'm sure they'd accept your used ones.
http://www.lpsharp.com/
Also - keep a few handy to use for cutting paper, etc.
I'm glad to know about this site. Thanks for the link!