DOCRAFTS-Xcut Adhesive Backed Magnetic Die Cutting Shim A5. These magnetic sheets are good for a variety of uses. They are good for storing dies, can be used to compensate for variations in card thickness or when cutting plates are starting to show signs of wear, and are good for using with dies and embossing folders for a clean cut or a deeper, crisper impression. This package contains four 6x8- 1/4 inch magnetic sheets. Imported.