The RAM-B-103CHU consists of a CHROME 2.5" round base and double socket arm that will accept 1" ball bases. The round base contains pre-drilled holes, including the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob allows for you to maneuver the mount to your optimum viewing position.

Dimensions: 
Overall Length: 4.31" 

Material:  
Marine Grade Aluminum with Chrome Finish

Ball Size:
1" Rubber "B" Ball Size 

Note:  
The "U" in the part number reflects product packaged in poly bag.