Ercole M11-050B Umbrella Swivel Adapter with brass stud

Provides an additional 16mm socket to Super Clamp.

Avenger B142 Adaptor Bushing D.50 for Strato-Safe.

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.