Ercole MB-09 Spigot 16 x 90 1/4″-20 female thread & 5/8″ male baby pin

For more accurate light positioning: it helps keep the light in horizontal position independently on the angle of the boom. Specifically designed to be used on boom arm with light attachment with 16 mm pin.

Avenger B143 Adaptor Bushing D.60 for Strato-Safe.

Same as 036-38 with 1/4” male threads.