I am a fan of them! The price you can't beat, so if you get a bad one put it aside and use it for cutting Christmas wrap. I marked an rotary cutter just for old blades.

I have had great luck with them. There is such a big difference in price that they are certainly worth trying. I'm sorry some people were not happy with them, but I did not have any of the same problems that they were experiencing. They do fit my Olfa 45 mm. Good luck.

I ordered 22 of them had to get rid of them they would not cut
i think they are junk for cutting quilt pcs. May work for something else

Another satisfied cutter here. I use the Harbor Freight blades in my Olfa cutters and have not found them to be any different from the more expensive ones. I do change all blades frequently. (I too have a separate cutter for paper piecing and cutting wrapping paper.)

Ditto - have only had one bad blade and the rest have been wonderful! I sew with several ladies and we all like them.

I agree, I have had one in mine for over 2 months and it is still going. I also have cut paper with it, (I know, a no no) but it was handy so I used it LOL I think they are stronger than regular blades because they don't knick when hitting a pin....you know how you get those little blank spots....not with these...

I love my HF blades! I've had one in for several months -- and it's still going strong!

I've had only one bad blade out of at least 20 packages of them. They fit my Olfa 45 just fine and I save a lot of money besides.

I ordered 10 of them and they are especially dull.

I have had good luck with the HF blades. I have only had one dull one.