The RAM-201U-D, Long length double socket arm, has a socket at both ends that accommodates C Size 1.5" balls. A single spring inside the arm, keeps the socket open, allowing you to insert the ball in to the socket connection. RAM's socket technology allows for almost infinite adjustment to achieve the perfect viewing angle. 

Dimensions  
Overall Length: 9.125"
Socket-To-Socket Length: 8"

Material  
Powder Coated Marine Grade Aluminum 

Ball Size: 
1.5" Rubber Ball Size 

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