K&F CONCEPT 9.8″ Magic Arm Clamp Kit with 1/4″ & 3/8″ Thread 9.8-Inch, Black
[EASY TO ADJUSTABLE] - The knob screw allows simultaneous tensioning and loosening of the magic arm. Loosen the knob to enable 360° rotation of the ball head, or tighten it to lock the head ...
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