Features: ---Standard size double socket arm - Overall Length: 8.375" - Socket-To-Socket Length: 6.5625" ---A single spring inside the arm opens the end of the sockets, allowing you to pivot the ball and socket connection. ---Round 3.68" diameter base with 2.25" diameter rubber ball - base has pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. ---Round 2.5" diameter base with AMPS hole pattern and 2.25" diameter rubber ball ---Overall length fully straight: 10.75" approx. ---Holds up to 6 lbs. ---RAM ball and socket technology with almost infinite adjustments for your perfect viewing angles ---Constructed of powder coated marine grade aluminum ---Genuine RAM Mount: Part # RAM-D-101-254U ---Manufacturer's lifetime warranty ---Made in the USA.