1/4 screw port and 3/8 screw port Compatible for studio lights, flashes,lamp holders or fill lights, etc.
The base lamp holder wheel is equipped with a pressingbrake, and the ground lamp holder is behind the deviceaccessories, step on three lights The pressing brake on the top of the frame wheel is firmand stable without loosening.
What's in the box：1/ 4 to 3/8 port *1 , Detachable bottom bracket* 1, Lamp holder chassis *1, Lamp Holder Wheel *3
