The industry-standard euro female adapter is made by cnc aluminum alloy allows you quickly and firmly attaches your gear to the supporting tripods, dollies, rigs, etc. It features a 3/8”-16 screw in center and locating pin in each side providing great connection with steadicam hard mount kit or trailer hitch adapter which comes with 3/8”-16 female thread and locating holes each side. The ratcheted handle makes it easy to lock and off this adapter