Spellbinders replacement Grand Calibur Base and Cutting Plates. These are replacement plates for the Grand Calibur Machine. This two-piece set includes an A-Base Plate and C-Cutting Plate measuring about 12 x 8 1/2". Both are double sided, turn the plates for even wear. As with all die cut machines, plates are a consumable part and for maximum wearability should be changed depending on usage.