Forster Shell Holder Adapter Plate For Co-ax Press Forster Shell Holder Adapter Plate allows you to use standard shell holders in place of the springloaded, universal shellholder jaws that come with the Co-Ax Press. Very easy to use and facilitates reloading of some non-standard cartridges. All you need to supply is your conventional style shellholder in conjunction with this adapter. Makes reloading nonstandard cartridges easy High alloy steel Note: Use of the Shell Holder Adapter Plate does not allow a cartridge to "float" as with their "S" and "LS" Shell Holder Jaws.