Double ball joint adapter 5/8" receiver & 11/8" male stud.
EI-A60 Double Ball Joint Head is an handy accessory for mounting lights or other gear in various situations where space and weight concerns are paramount. The ball joint allows 180° swivel of the fixture, while the large handle provides secure locking in your chosen position. The barrel at the receiver end measures 5/8" Receivers, one end comes with 8MM hole for soft umbrella.