The Kupo Double Ball Joint Adapter with Dual 5/8" Studs provides flexible positioning for lights and accessories with a secure, ratcheting handle design. This dual ball joint features two 5/8" (16mm) studs—one tapped with a 1/4"-20 female thread and the other with a 3/8"-16 female thread—offering a wide range of mounting options. Each stud is precision-milled with six flat surfaces to prevent unwanted rotation when secured, ensuring your fixtures or accessories stay firmly in place during use.