SmallRig Double Ball Head Magic Arm Multi-Function Double Ball Adapter - 2157 360° Adjustable: The ball head is 360° adjustable for optimal location.Rubber cushion prevents scratches and damage to your equipment. Excellent function: One screw in the middle can hold the double ball head.The position of the monitor can be easily relocated according to the camera position.The weight of the monitor can be mounted up to 2.2 lbs (1 kg).Never install any more accessories.