Irrigation Hose Clip Ratchets are easily fitted to hose or PVC piping around connector points for an extra secure fitting. Made of high quality material plastic PVC, UV Resistant. Achieve a professional finish to your system and avoid leaks emerging. If you do need to change connectors, rest assured that after replacing the connector, these clips will allow you to get the same tight fit after the swap out. Compatible with hose with an outer diameter 13mm-17mm.