The LM-802 heavy duty cup holder comes with the AD-1 adapter plate. The plate has a 5mm stud that will thread directly into the control head of the FTM-400, FTM-350, FTM-100 and the FT-891. Cup holder mount base adjusts to expand to up to 3.75 inches in diameter
The LM-802HD Robust universal car cup holder phone mount is part of Lido's Robust Mount Series. This sturdy mount’s one-piece base fits easily into any car or truck cup holders, and twists to expand to up 3.75 inches in diameter. It is compatible with Ram Mount 1" ball connectors.