Great for off-road vehicles and semi-trucks. Features: ---2.43" x 1.31" diamond base with 1.5" rubber ball - Base has two holes 1.912" from center to center, matches the industry standard AMPS hole* ---Standard size (medium) double socket arm - Overall Length: 5.69", Socket-To-Socket Length: 4.66" ---RAM threaded 1.5" Tough-Ball that screws into female threaded adapter of the weBoost antenna ---Constructed of powder coated marine grade aluminum and high strength composite ---RAM ball and socket system easily adjusts to any angle and can be collapsed when not in use ---Holds up to 4 lbs. ---Made in the USA Thread Pitch: 3/8"-24 x .
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