RAM Mounting Systems RAM-B-103U-A Short Double Socket Arm with 2.5" Round Base EPAOEMFM3 Dimensions: 79 x 37 x

Dimensions: 79 x 37 x 37 cm

Antenna input - 50 ohm BNC

22mm Push Button Switch - Off/On Contact - Blue/Red LED - 4' Lead

It has a 2" channel and fits a 2-1/2" diameter trailer ball

For use on Mercruiser Inboard For Mercury Thunderbolt HEI V-6

RAM Mounting Systems RAM-B-103U-A Short Double Socket Arm with 2.5" Round Base EPAOEMFM3 Dimensions: 79 x 37 xRAM 1" Diameter Ball Short Double Socket Arm with 2. 5" Round Base that contains the AMPs Hole Pattern Overall Length: 3" The RAM B 103U A consists of a 2. 5" round base and SHORT double socket arm that will accept 1" ball bases. The round base contains pre drilled holes, including the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this