An extra set of cutting plates is essential when using Sizzix machines. Cutting plates are meant to be disposable. I've foud that by purchasing an extra set, I'm able to rotate out the battered and used thoroughly plates. With the original set, I use the same plate as a cutting surface. Once that one is done, I am able to swap out the used plate for a brand new plate, therefore keeping my diecutting uninterrupted. As I only use one plate for cutting, the extra pair of plates, extends my time tremendously.
You get one set with your machine but it never hurts to have an extra pair. I sometimes use a smaller top plate if cutting a small die but always have this plate on the bottom. I highly recommend this accessory.
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