TOAZOE 11 Inch PRO Video Light Magic Arm, with Variable Friction Adjustable Arm and Hot-Shoe Mount for Hot Shoe Mounts to Work with LED Panel, DSLR Monitor This articulating magic arm can adjust any on-camera lightings and other accessories. It provides shake-free stability and support to cameras while shooting 11" precise and durable designed magic arm Two 360 Ball Heads with 1/4 Variable friction control for accurate adjustment Articulating Design with One Knob to lock arm in position