The RAM-B-202U-153 contains a 1″ diameter rubber ball connected to a rectangular plate with a 4-hole pattern of 1″ x 2.5″ center to center.
Powder Coated Marine Grade Aluminum
B Size 1″ Rubber Ball
1.5″ x 3″
The “U” in the part number reflects product packaged in poly bag. Mounting hardware not included with purchase