Here's the secret...

The nose of the installer is a helix, like a screw, so one end of the clip sits above the other. When the installer is pushed through the necked down bore of the sleeve, its fingers are squeezed together, allowing one end of the clip to overlap the other. The clip springs open in its seating location once it clears the end of the sleeve.

 

Makes installing circlips an ABSOLUTE breeze without any chance of damaging or losing the circlip! For Parilla Leopard, PRD Fireball, HPV, CR80, etc.