Originally Posted by
quiltingshe
I bought some of the carpet cutter blades 45 mm from Harbor Freight quite some time ago and they worked wonderfully, but I bought some more the other day, and they won't cut at all. I finally had to give up and go to Jo-Ann's and buy one there.
I use the blades all the time. lately I have had to clean them with goo-gone and then they are great. seams a little of the paper sticks to the blade. try this before throwing them away so much cheaper and I change the blades more often.