Attachment of this top handle requires that you have two strobe arms each having Clamps with Auxiliary Mount # 4081.22 at the base of each arm. This clamp comes standard with newer strobe arms # 4080.05 and # 4080.06.
In the Box
(2) Auxiliary Ball Mount # 4081.71
(2) Ball Clamp for Lightweight Accessories # 4081.21
7" Ball Arm # 4081.07