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

Pivoting clamp for 35mm boom shaft, with 28mm and 16mm attachment

Pivoting clamp for 19, 20, 25 and 28mm boom shafts (or any tubes of this diameter).

Ercole MK-9A Mini Ball Head 25mm with cold shoe with 1/4″ screw hole.