This Super Knuckle VESA Monitor Holder Adapter features an "X" shaped flange with holes drilled for 3" and 4" VESA mounts on one side and a ball joint on the other.
This Super Knuckle VESA Monitor Holder Adapter features an "X" shaped flange with holes drilled for 3" and 4" VESA mounts on one side and a ball joint on the other.