Die-Versions - HEART THROB Whispers Die SIZES 3 9/16" x " 3 9/16" (65mm x 65mm.) Whispers die cuts may require additional shimming for best results. This die is American made & is designed to be compatible with Big Shot, Big Shot Pro, BigKick, Vagabond, Wizard, Grand Calibur, Revolution, Epic Six, Cuttlebug and Zip-e-Mate. Made in the USA with US materials. Made from American Super Hardened Tool Steel. They are 100% lead free.