RAM D Size Ball Rectangle Plate with 2 x 2 Pattern (RAM-D-202U-22) Type_RAM A Size It has an 18" rigid

It has an 18" rigid aluminum rod with 2 built-in single socket arms that can fit 1' ball bases and adapters

The RAM-108U consists of a double socket arm

The RAM-D-2461U consists of a 2

The RAM-B-166-202AU consists of a 3

Standard U

RAM D Size Ball Rectangle Plate with 2 x 2 Pattern (RAM-D-202U-22) Type_RAM A Size It has an 18" rigidThe RAM D 202U 22 contains a 2. 25" diameter rubber ball connected to a rectangular plate with a 4 hole pattern of 1. 5" x 1. 5" center to center. Overall plate dimensions are 2" x 2". Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 2. 25" Rubber Ball Size Weight: 0. 53 lbs. Note: The "U" in the part number reflects product packaged in poly bag.