Description: 1/4 "screw for bottom and 3/8" screw for the ball. Anti-oxidation aluminum alloy ball seat, used with ball head clip ,which can be used as a fill light or for GoPro, for XiaoYi camera, and SLR camera is also suitable. Multi-position connection fixed and 360 degree rotation. Full of practical use,and it is perfect for Photographers. Made of CNC aluminum alloy,and it is lightweight and durable. Specification: Material: CNC Aluminum Alloy Diameter of Ball: 2.5cm / 0.98inch; Height: 3.5cm /1.38inch Package Includes: 1 Piece Hotshoe Ball Head
