This combined extension arm includes two mini ball heads with both 1/4"-20 male & female mounting threads on the end respectively for attaching accessories with 1/4" thread, such as LCD monitor, articulating arm, rod clamp, flash light, video light and so on.
It is free for the mini ball head to make 360° swivel & 90° tilt at your request, then you can lock it in place with the central red knob.

Net Weight: 148.5 g

Package Included

1 x Dual Mini Ball Head Extension Arm With 1/4"-20 Male & Female Mounting Threads