Not intended for permanent use|Tip acts as a handle while applying glue and can be snipped to allow filling and bleeding with water or air for testing|Deeper glue surface ensures a good seal, especially on unevenly cut pipe|Durable, ABS may be glued to pipe with all-purpose glue|High visibility models make installed plugs and caps easy to see for ensured removal|Test nipple is 5/8 in OD for connection to compression fittings