... connector / joints, designed accord to the conduit lock, equipped easily 1/2" SELF-FIXED CONNECTOR / JOINTS Thread SpecificationBS, Metric ... beautiful appearance, compact structure, high intensity.2. Designed strictly accord to the conduit lock, equipped easily, powerful tensile ... common solvent proof.4. Change the thread specification accord to your special need. 1/2" SELF-FIXED CONNECTOR / JOINTS