The 19mm Studio MiniMount is a universal mount that slides onto 19mm Studio (offset) rods. This Zacuto MiniMount can hold an articulating arm, or any device with a 3/8 16" screw. It can also be retrofitted to z-release mount by adding a Zround Mount.
A minimount is also available in 15mm lightweight and Studio 15mm. (Link to the Studio 15mm)
More information about Zacuto Products (Link to Zacuto Website)