The active ball head is composed of aerospace aluminum alloy and stainless steel 304.
The ball head is 1 inch ball head. It can be fixed by ball clamp.
The screw is 1/4-20 inch and M5 (2options).
The length of the screw can be adjusted according to your needs.
We also have a variety of diving arms, ball heads, ball clips and other diving accessories, contact me if you have any request, and we can do customs, but it has MOQ.