To take the guesswork out of buying the correct replacement blade, FISKARS created a system that is as easy as A-B-C-- literally. Each ... Full Description & Details.
Will be making wedding invitations next week for my daughters wedding. Don't anticipate having to change blades to get a clean cut.
These are the best replacement blades I have ever used. I use them to cut scrapbook paper and you can cut several pieces at a time. Great price great product.