This is a storage tray for reloading dies. Made special for LEE Precision dies with and without breech lock rings. But should fit all dies with typical 1 1/4-1" tread. If you need it for HORNADY dies with Lock-N-Load Bushings please see the other version for sale. At the rear you can put your booklet. These are 100% Made In The USA!  If you would like something custom made please feel free to send us a message and we will get it done for you! Design credit to cyboli.