RAM® Double Ball Mount with Flat Surface Base - Medium RAM-101-SAE1 There are two pivoting points

There are two pivoting points on the mount: one at the base of the swing arm and one at the center of the rectangular plate

The RAM-137U

Universal 3 inch double socket arm mount with a square base and a round base

The RAM-119B consists of the RAM-TUBE™ 2000 fishing rod holder and single open socket for 1

This kit contains a 100mm x 100mm industry-standard Vesa mounting plate with c-size 1

RAM® Double Ball Mount with Flat Surface Base - Medium RAM-101-SAE1 There are two pivoting pointsThis kit has a 6 inch double socket arm, a 1. 5 inch ball with the industry standard AMPS hole pattern and a flat surface base that is 2. 5 inches between screw holes.