Manufacturer: RCBS 87611
RCBS crafts shell holders to the industry's tightest tolerances, using only the finest steel.
Fits: .220 Swift, .257 Roberts, .257 Roberts Improved, 7mm Mauser, .
Automatic 4x4 Shell Plate #11 -
This shell plate is designed to work with the RCBS Auto 4x4 Progressive Press. It will not work with the Pro 2000, AmmoMaster or piggy back presses.