Sue Wilson Configurations CollectionEight high quality steel diesSize of smallest square: 33mm (1.3") x 33mm (1.3") (approx.), size of largest square: 43mm (1.7") x 43mm (1.7") (approx.)These dies work with most tabletop die cutting machines, such as the Evolution Advance, Cuttlebug, Big Shot, Grand Calibur, eBosser, etc