RAM 2.5" Max Width Clamp Base with 1.5" Ball (RAM-247U-25) Product Line_Adapt-A-Post The round base adapter contains

The round base adapter contains the industry standard universal AMPS hole pattern

At the device mounting end of the mount is a rectangular 6

Quick installation

Molded ruggedized docking contacts on the exterior of the skin are also designed for repetitive docking in field applications

RAM 2.5" Max Width Clamp Base with 1.5" Ball (RAM-247U-25) Product Line_Adapt-A-Post The round base adapter containsThe RAM 247U 25 consists of a 2. 5" clamp base with 1. 5" ball. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size Weight: 0. 68 lbs. Note: The "U" in the part number reflects product packaged in poly bag.