This 1.5" ball mount consists of a 2.5" (63.5mm) diameter round base that contains the universal AMPs hole pattern, a double socket arm and a diamond base adapter.

The socket arm has adjustment points at both ends of the double socket arm, allowing for almost infinite adjustment and perfect viewing angles. 

• Overall Height: 7.35" (186.69mm)
• Material: Powder Coated Marine Grade Aluminium
• Ball Size: 1.5" Rubber Ball Size

Note: The "U" in the part number reflects product packaged in poly bag.