Cheery Lynn Designs S152 Magnetic Die Cut Shim for Extended Platforms Magnetic shimmies yet another big product Creation for the paper crafted Magnet material keeps dies in place when cutting but the bonus is that the material acts as a shim for cleaner die cuts, especially detailed dies Machines they work with a-4 size - 8-1/2x 11-3/4(216mm x 298mm): embosser & crossover For extended platforms: 5 3/4x 12(146mm x 305mm): Vagabond, big shot, big kick. A-6 size - 5-3/4x 7-1/2(146mm x 191mm): big shot trade, big kick, Cuttlebug