The RAM-120U consists of a double socket arm, 2.5" diameter round base with the universal AMPS hole pattern and side clamping cradle that is designed to hold a large variety of electronic devices. Originally design for strapping to a lantern base, this mount can also be used as a base to strap to a round rail.

Cradle Dimensions:
Width range: Min 1.75” Max 2.75”
Depth: Max 1.5”
Height: No height limit, but the holder is 6” tall and the device used cannot hang below the bottom of the holder. 

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.