SMALLRIG 15mm Rod Clamp Rail Connector with 1/4" Thread Hole to Attach Camera Microphones/Sound Recorders/Lighting Equipment - 860
The Single Railblock Rod Clamp can be mounted on any standard 15mm rods on DSLR Rig. Comes with 1/4" thread hole: thread diameter is international standard 1/4". Material: Aluminum Alloy