[" and . Description: Ball adapter This 25mm to 25mm/17mm/15mm Dual Ball Mount arm is made out of a sturdy composite material and is for all industry standard 25mm mounting arms. Ball joints are coated in a rubber material. With the dual ball adjustments, this mount allows you to have the flexibility of rotating your device 360 degrees. 25mm mounting pattern for - GPS, Phone holders, or any other 25mm mounting pattern device. Specifications: Item Type: Ball for Head Mount Material: RubberandMetal Size: As shown in the picture. Color: Black Quantity: 1 Pc Package Includes: 1 x Ball for Head Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding."]