Originally Posted by Daylesewblessed

My mother has friend with a 45 mm Dritz rotary cutter - the kind that is pressure sensitive. She is having trouble finding Dritz replacement blades where she lives.

In my research it looks like Kmart sells them on-line, but I don't know about the stores. My question is whether or not Fiskars or Olfa blades are interchangeable.

Thanks for any information that anyone can give me.

Dayle