The Olfa blade fits all of my rotary cutters. I bought a bunch of cheap pinking blades a couple of years ago (from??? possibly harbour freight???) and they also fit all my cutters.

1) They work best on a non-healing mat. Get a cheap mat at a big box store!

2) Get a heavy metal carpenters rule to cut along: it won't hurt the blade and you'll avoid nicking your good rulers.

3) Well worth the trouble: you can pink the edges of a pile of fabrics in nothing flat. I prewash ALL my fabric and the pinked edges don't fray. :)

And those cutters are what brand please? Olfa is very clear that their specialty blades are NOT to be used with anything but their ergonomic cutter. I'd get Fiskars specialty blades, but they aren't made for use on fabric (paper only) so aren't as sharp.

All of my pinking blades are Olfa blades and I use them in all my 45 cutters. The only ergonomic cutter I have is a Martelli so never tried the blades in that one.

I have the pinking blade and the wavy blade and like them when i am working with fleece blankets-that is how I finish the edges. No fraying at all with fleece and have washed many times and stays looking good.

Joann fabrics has them I have one and use it..

I have one and use it instead of the pinking shears. The only problem I have with it is that it dulls pretty quick. I love it and use it often.

Where do they keep them? I've checked my HF and they don't carry any blades at all.

I think I have one. I picked it up because it was on sale and I had a coupon, too. Never used it. I think I planned to use it on chiffons and satins and shreddy fabrics.

I have one. I used it one time. Fairly hard to cut through 2 layers of fabric. Put it on my Peg board, and it has been there ever since.

I have one. Used one time . Better to use pinking shears. Cost is to high on blade. Hated it and waste of money. Sorry.