25mm / 1 inch to 25mm / 1 inch Composite Extension Ball Adapter for Industry Standard Dual Ball Socket mounting arms

Compatible Phone Models: 1-inch industry standard mounts Included Components : 25mm to 25mm Ball Joint Special Feature: Rotatable,Adjustable The diameter of the ball join is 1 inch or 25mm. The measurement is not to describe the length of the entire adapter. Measure the diameter of the ball from top of one end to another. This iBOLT 25mm to 25mm Dual Ball Mount arm is made out of a sturdy composite material and is compatible with all industry standard 1 inch / 25 mm mounting arms. Ball joints are coated in a rubber material.