This is a very hard to find part, but a very necessary one for any DIY video light project! I searched everywhere for an elegant part like this and all the alternatives were not great--so I had the best solution custom stamped.
The CL-Y250 Female Universal Yoke Adapter attaches to your fixture project box sides with rivets or machine screws and has a 1/4-20 threaded center which allows you to mate up with a yoke and 1/4-20 adjustable bar handles like the ones we carry
. Comes in a powder coated, mat black finish.
See our Video Magazine Article
entry on this item for more information. You will need to order two of these for most fixtures.