RAM EZ-ON/OFF Quick Release Diamond Adaptor Base vehicle-motorcycle Any 1" diamond base ball

Any 1" diamond base ball mount with the 2-hole AMPS pattern

RAP-B-224-2U is a 2

Composite double socket arm with 1" B-size rubber balls for near-infinite adjustment

Short double socket arm

which do I need

RAM EZ-ON/OFF Quick Release Diamond Adaptor Base vehicle-motorcycle Any 1" diamond base ballRAP 274 1BU RAM EZ On Off Quick Release Diamond Adaptor Base The RAP 274 1BU converts any 1" diamond base ball mount into an EZ On Off quick release point, letting you transfer a cradle from the EZ On Off bicycle mount to a second mount in seconds. Key Features Adds EZ On Off quick release to any 1" diamond base ball mount Transfer a cradle between a bike mount and a second vehicle mount without tools 2 hole AMPS pattern for RAM and third party