Ercole M11-051A Umbrella Swivel Adapter with cold shoe

Manfrotto 155 Head Double Ball w/ 143 14.5cm. 2x 16mm studs with Camera/Umbrella Bracket.

Manfrotto 155BKL Head Tilt-TopDouble Ball Joint 16mm Socket on Both Ends 1x 3/8” 1x 1/4”.

Ercole M11-050A Umbrella Swivel Adapter with brass stud.