The (RAM-B-202U) RAM marine grade aluminum base contains a 1" diameter rubber ball connected to a flat 2.5" diameter base. This mount has pre-drilled holes, including the universal AMPS hole pattern.
Material:
Powder Coated Marine Grade Aluminum
Ball Size:
1" Rubber Ball "B" Size
![RAM Mount 2-7/16" Diameter Base w/1" Ball [RAM-B-202U] - Essenbay Marine](http://essenbaymarine.com/cdn/shop/products/38693XL_{width}x.jpg?v=1680064008)
![RAM Mount 2-7/16" Diameter Base w/1" Ball [RAM-B-202U] - Essenbay Marine](http://essenbaymarine.com/cdn/shop/products/38693XL_1024x.jpg?v=1680064008)