The RAP-B-201U-A, short double socket arm, has a socket at both ends that accommodates 1" ball bases. This socket technology allows for almost infinite adjustment and perfect viewing angles. Dimensions:
Overall Length: 2.38"
Socket-To-Socket Length: 2"

Material:
High Strength Composite

Ball Size:
1" Rubber Ball "B" Size

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