Or as what you buy. Thank you for your kind attention. Features: Jadkinsta Round plate ball mount: 1" inch ball mount Diameter: 61mm Height: 37mm Holes diameter: 6mm, the size as Jadkinsta photos Material: Aluminum base + Rubber head (Much higher quality with strong base mount and ball head) Weight: 60g Jadkinsta Diamond plate ball mount: 1" inch ball mount The Universal Plate has a 1.0 inch diameter Rubber Ball connected at right angles to a 1 1/4 x 2 1/2 inch Diamond Plate. The plate has two pre-drilled holes positioned at either tip of the diamond plate. The hole pattern found on the Diamond Plate will connect to a large variety of third party cradles and mounts, including those with the industry standard AMPS hole pattern. Size as Jadkinsta photos. Jadkinsta Double Socket arm: Material: Aluminum shell + plastic knob Mount diameter: 1 inch, has two socket mounts Weight: 130g Length: 9cm Jadkinsta Package include: 1 x Round Base 1 inch Ball Mount 1 x Diamond base 1 inch ball mount 1 x Double socket arm Or as what you buy. Thank you for your kind attention.