RCBS Case Trimmer Pilots are tapered to guide pilot into the case mouth. The design prevents a case from wobbling when being trimmed to length. For use with RCBS Trim Pro Case Trimmers, Rotary Case Trimmer 2 and Rotary Case Trimmer. For use with RCBS Case Trimmers only.
Used when trimming cartridges like .17 Hornet,.17 Remington etc.