E-IMAGE EI-A54 with 7 inch arms and APM01 plate, it is designed perfectly for mounting monitors, LED lights, a flash light or any device that accepts a ¼ inch screw male or 3/8 inch screw female.
It can be fixed on any 15mm rods,standard 1/4" inch screw fits any
accessories, such as monitor,lights, special protector can stop the device from spinning.
1/4" standard screw.
Sturdy locking system.
Wing shape locking knob provides quick locking.