The composite components include both single and double socket arm assemblies with the same patented rubber ball and socket technology.The RAP-405 SUP/Surfboard Leash Plug Adapter is a 1.5 inch C-Ball mounting base that is compatible with other RAM 1.5″ C-Ball components.This base will fit most SUP and surf boards on the market today and attaches quickly and easily via the twist-lock base.Part NumberRAP-405U








