RAM Mount 2.5" Composite Round Base w/AMPS Hole Pattern & 1.5" Ball [RAP-202U]
ELC-570582.5" Composite Round Base w/AMPS Hole Pattern & 1.5" Ball
The RAP-202U consists of a 1.5" diameter rubber ball connected to a flat 2.5" diameter base. This mount has pre-drilled holes, including the universal AMPS hole pattern.
Material: 
High Strength Composite 
Ball Size: 
1.5" Rubber Ball Size 
Note: 
The "U" in the part number reflects product packaged in poly bag.