Threaded to Universal PCP Probe AttachmentUse this universal PCP probe attachment to easily connect your PCP air rifle's threaded probe to a universal probe. Very useful when you have multiple air rifles and it becomes a fuss to unscrew and screw probes to your hand pump or filling device every time you need to fill your air rifle. Just attach this piece to all your threaded probes and use them with ease just by pushing them into a universal probe.