RAM® Wedge Ball Adapter for RAM®, Attwood & Fish-on Bases - B Size RAM-202U-MT1 Power to the device is

Power to the device is delivered via a 1

5 pitch male thread connected to a 1" rubber ball

The RAM-B-149Z-GA5U consists of a double socket arm

68" diameter round bases and STANDARD length double socket arm with jam nut

RAM® Wedge Ball Adapter for RAM®, Attwood & Fish-on Bases - B Size RAM-202U-MT1 Power to the device isKeeping things simple and versatile, the new RAM Ball Wedge Mounts are a great way to provide a mounting point to practically anything. Simply slide the wedge into the round opening of your rod holder base and tighten the screw. The new RAM Ball Wedge Base expands to accommodate holes from 3 4 7 8 diameter and locks in tight.