The RAM-B-309-412 base consists of the same rail mount design as the RAM-B-309 Series, but without a ball connected.
The top of this base has a 0.5" clamping socket which has been permantently connected to a 12" RAM Flex Rod. The other end of the flex arm is connected to a second RAM-B-309 Clutch/Brake Mounting Base.
|Ball Size:||1 Inch Rubber Ball|
|Material:||Powder Coated Marine Grade Aluminum|