This is a double sided folding and reducing die with .9" and 1.0" openings at 17 degrees for optimal folding and reducing. This die can be used in conjunction with the stabilizer folding cones and mandrels to fold U.S. quarter and nickel sized coins leaving no mark on the inside of the coin. This die can also be used to reduce similar sized coins for final sizing of coin rings. *The coins pictured are not included* Copy and paste this address into your internet browser address bar to see a youtube video using a die: https://www.youtube.com/watch?v=lCwPbu1lGLY NOTE: A detailed description of the coin ring making process can be found in "How to Make Coin Rings" training manual found here: https://www.etsy.com/listing/170473451/training-manual-on-how-to-make-double?