Item Type: Dual Ball Head Adapter Material: Aluminum Alloy Screw Interface: 1/4 Inch Maximum Load Capacity: Approx. 5KG / 11LB Package List 1 x Dual Ball Head Adapter 1Multiple Usages: Double ball head articulating arm, which can be used in conjunction with fill lights, microphones, monitors, sports cameras, phone clips, etc. to expand usage. 21/4 Screw and Pin: Universal end 1/4 inch screws and stretchable pins can prevent distortion, with strong compatibility, and can be used to install devices with the same interface. 3180 Rotating Ball: The adjustable thumb stick helps to fix the ball head at an appropriate angle, and 180 degree rotation ball makes it convenient to adjust position and angle. 4Silicone Damping: The dual ball head has damping rings to increase friction and prevent it from loosening or slipping, the non slip push teeth ensure more stable and reliable use. 5Durable Materials: The ball head mount adapter is made of aluminum alloy with anodized finish, has a long service life, the stainless steel ball head can bear a maximum weight of 5kg.