![RAM Mount Single Socket Arm & 1-4" NPT Female Thread f-1" Balls [RAM-B-200-1U] - RAM Mounting Systems](http://shopmarshlandmarine.com/cdn/shop/products/62753XL_{width}x.jpg?v=1571113009)
RAM Mount Single Socket Arm & 1/4" NPT Female Thread f/1" Balls [RAM-B-200-1U]
Single Socket Arm & 1/4" NPT Female Thread for 1" Balls
The single socket for a B size 1_ ball that has a socket for Octagon Button products. This configuration gives you the ability to interface with the variety of Octagon Button bases, couplers and pipe mounts.