Check the listing for details. RAM Flat Surface Long Arm Mount with Diamond Base and Square AMPS Adapter. Condition: New, Made in United States. Listed at 41.49 USD. Features: ---Diamond base adapter with two holes 1.912" from center to center and 1" rubber ball ---Long double socket arm : Overall Length: 6"; Socket-To-Socket Length: 5.1875" ---Square 2" x 1.7" base with 1" ball and four pre-drilled holes, one at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern ---Either base can be mounted to a flat surface(horizontally or vertically) or fit a variety of RAM and third party cradles ---Constructed of powder coated marine grade aluminum ---Design dampens shock and vibration, helping to extend the life of your device ---Easily adjusts to your best viewing angle ---Overall Height: 7 5/16" (fully extended) ---Genuine RAM Mount: Part # RAM-B-140U-C ---Manufacturer's lifetime warranty ---Made in the USA.