The Kupo KS-103 Versatile swiveling adapter easily adjusts and lock your gear at an angle. The Kupo KS-103 Versatile Swivel Adapter comes with a double ball joint, and two 5/8" (16mm) studs, one is tapped for 3/8’’ and the other is for 1/4 inch. The Versatile swivel adaptor allows you to mount a light fixture onto a support at odd angles with stands or suction cups. Both ball joint studs are also designed to fit into baby socket, such as a Kupo convi. clamp, or Kupo super viser clamp and hold the object stable.