RAM Track Ball Mount for Lowrance Elite-4 & Mark-4 Series (RAP-B-202-LO11-354-TRA1U) (sku 53775)The RAP B 202 LO11 354 TRA1U consists of a Track Ball base, composite double socket arm and adapter base that inserts directly to the back of Lowrance Elite 4, Mark 4 and Hook 4 Fishfinders. The adapter serves as a quick release mechanism, allowing you to remove or transfer your Fishfinder in seconds. A key feature of the mount is a 1" diameter rubber ball and socket system with adjustment points at both socket ends of the arm. Combined with RAM's