Everglades Ammunition Custom Primer Hold-Down Die for the Dillon Super 1050 Reloading Machine. Designed for pistol rounds from 380 ACP to 45 Colt. Not for use on rifle brass. The die measures .579" diameter and will be a light press fit on a Super 1050 Toolheads. The die will need to be modified to work on the RL 1050. The OD must be turned down to fit the RL 1050.
See video below for additional details.