Description: 100% brand new and high quality Feature: Made of high-quality material, durable, firm and stable for us to use. With a small shape and compact size, it is easy and convenient for us to take and carry. Fit for different extension socket arms with ball mount socket. Ball Head Mount Adapter only, other accessories demo in the picture is not included Specifications: Item Type: Ball Head Mount Adapter Material: Plastic+Rubber Height: 38mm\/1.4in Ball Diameter: 25mm\/0.9in Hole Distance: 49mm\/1.9in Color: Black Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Ball Head Mount Adapter