The NOVOFLEX QP-RED adapter allows for the connection of accessories with either a 3/8"-16 or a 1/4"-20 stud. It provides three 3/8”-16 female threads and one 1/4”-20 thread and screws into the lateral thread of the TrioPod PRO75 or into any of the TrioPod, TrioBalance, QuadroPod Leg connectors. E.g. use the QuadroPod QP-V with 3 legs only and screw in accessories to the 4th Leg connector by means of this adapter.