Quick one for you: SmallRig Articulating Rosette Arms with Stainless steel rosette joints.
Cheap as chips SmallRig Articulating Rosette Arm, 6″ and 10″. Both arms are just $29.
SmallRig Articulating Rosette Arm Features:
Stainless steel rosette joint, much stronger and more stable
Stainless steel ends
For more: SmallRig.