RAM RAM101LO11 1.5" Double Ball Mount for Select Lowrance Elite-5, Elite 7 Ti/Ti², Hook & Mark-5 FishfindersThe RAM 101 LO11 consists of a 2. 5" diameter round base that contains the universal AMPS hole pattern double socket arm and adapter base that inserts directly to the back of Lowrance Elite 5, Elite 5 Ti, Elite 7 Ti Ti, HOOK 3, HOOK 4, HOOK 5 and MARK 5 Fishfinders. The adapter serves as a quick release mechanism, allowing you to remove or transfer your Fishfinder in seconds. Designed into the mount is a 1. 5" diameter patented rubber ball and socket