Originally Posted by LORNAD
Are you sure that Harbor Freight won't take back the bad blades. My husband has taken back things that don't work and they have been great about it. Now they require a receipt. They didn't used to but of course I'm sure someone abused it so now a receipt is required. I'd take it back and ask them for a replacement. I'm sure you couldn't do that at a fabric store.
I no longer have the receipt. I bought these about 3 months ago and really didn't expect to need it for anything. The store is really too far away to make it worth the effort with the price of gas. I'll just chalk it up to a lesson learned. You get what you pay for.