This four piece expansion tool kit is designed to work with the Frankford Arsenal Case Trim System. It can also work with the Frankford Arsenal Prep Center. The expansion kit tools have 8-32 threads and are made from high speed hardened (HSS) steel. The tools include large and small primer pocket cleaner/uniformer, and large and small primer pocket crimp removers.

High speed hardened steel
Large and small primer pocket cleaner/uniformer
Large and small primer pocket crimp removers
8-32 threads
Works with Frankford Arsenal Case Trim System and Prep Center