Bracket-H9B of the Panohero-Mini-Maxi family of panoramic heads for action cameras is the upper part of Panohero-H9B. It is a replacement part for Panohero-H9B only.
Bracket-H9B should not be put onto the middle part (called body) of older Panohero models for older cameras. Bracket-H9B does fit onto these but older bodies would not put the nodal point of GoPro Hero 9 Black into its optimal position.
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