Use the R10 (7/16”) cutting die with the CornerMaster 7 Corner Rounder. Featuring the largest radius of all the CornerMaster 7 cutting dies, the R10 cutting die is ideal for catalogues, postcards, business cards, presentation folders and more. It can cut up to 3” of stock at a time and works with all standard materials such as paper, PVC, polyester, and other paper or plastic based products. Dies for the CornerMaster 7 are also available in 1/16”, 1/8", 5/32”, 3/16”, 1/4", 9/32”, 5/16”, and 3/8” radii - these interchangeable dies are quick and easy to switch out.