Sorry you had problems. I have been using them for more than 2 years now and they cut wonderfully. They even last quite a long time. And, they roll in my Olfa rotary cutters. They even don't get dull on my Fiskars cutting mat. Olfa blades do get dull all to quickly on Fiskars mat.
Try turning your blade the opposite direction you have it in your cutter now and see if that doesn't work better. Hope this helps.
