Hero Arts Infinity Dies offer a generous variety of sizes around a specific cutting theme. These nesting die sets allow you to add architectural form and tidy framing to your cardmaking, stamping projects, and more. Universally compatible, they are engineered from solid metal construction with a sharp and durable cutting edge. Hero Arts Infinity Die sets offer a generous variety of sizes around a specific cutting theme. These oval nesting dies allow you to add architectural form and tidy framing to your cardmaking, stamping projects, and more. Universally compatible, they are engineered from solid metal construction with a sharp and durable cutting edge. There are metal 18 dies ranging from 4" x 5" to 0.22" x 0.28" with a separation of 0.125" between the dies.