One 1-inch Ball Mount Adapter for connecting to any B-size double socket arm and base,Equipped with a long rod screw?,and one 1-inch Ball Mount Adapter for connecting to any B-size 1/4 "- 20 Threaded Stud.

This B Size 1" Ball for Insta360 One X3 X2 X R RS Go 2 accessories Compatible with GoPro HERO 3+ 4 5 6 7 White Silver 8 9 10 11 Black HERO Max Fusion Session, DJI Osmo Action 2 3 etc. Multiple articulation and adjustment points for perfect viewing angles. Rubber ball design, dampens shock and vibration. One 1-inch Ball Mount Adapter for connecting to any B-size double socket arm and base, and one 1-inch Ball Mount Adapter for connecting to any B-size 1/4 "- 20 Threaded Stud. The round plate made of high quality rubber material provides extra support and stability for the camera it's attached to. The 1'' ball camera base allows for connection to for RAM any B size double socket arm,With the dual ball adjustments, this mount allows you to have the flexibility of rotating your device 360 degrees.