Polycarbonate connectors/inserts for polypro and HDPE hoops.
These connectors come in 1/2" OD (for 5/8" and 11/16" tubing) and 5/8" OD (for 3/4" tubing). They are cut in lengths approximately 1.7" long (a little over 4 cm) and have a tubing wall thickness of about 1/16" (0.0625"). If you'd like them cut a little longer or a little shorter, please don't hesitate to reach out.
Please note that some connectors may be tight in certain cuts of tubing.