Card Deco Circle Frames Nested Die Set. This is a bumper set of plain circle dies that will be a staple in any crafters tool box. The set contains 11 dies, the largest measures 11.7cm diameter and they reduce in size by 9mm steps down to 2.7cm diameter. The dies can be used to cut out circular shapes, or cut a round aperture into a piece of card when used singly. They can also be used in pairs to cut circular frames. The dies are compatible with leading brands of die cutting machine.