L.E. Wilson Q-Type Trimmer Case Holder secures the handgun case with an easy to use cross pin. Simply push out the cross pin to remove the case. For use with the L.E. Wilson Case Trimmer only. Notes:For use with Wilson's Case Trimmer Only Cross pin holds case securely in place, but allows for easy removal Cases are supported by the case body in holders which simulates the chamber of the firearmCartridges with little or no body taper may require different holders for fired and unfired casesShark Fin and Primer Pocket Tools are not compatible with this type of holder