RAM 3.68" Dia Round Base with 3.38" Ball (RAM-E-202U) Type_RAM C Size 25" diameter rubber ball connected

25" diameter rubber ball connected to a rectangular plate with a 4-hole pattern of 1

This special design does not require any special tools

RAM recommends this adapter base for "Light Use" mounting applications

for 1" (B size) socket arms

RAM-261-1U 6" Extension Swing Arm 1/2" Pipe

RAM 3.68" Dia Round Base with 3.38" Ball (RAM-E-202U) Type_RAM C Size 25" diameter rubber ball connectedThe RAM E 202U consists of a 3. 38" diameter rubber ball, connected at right angles to a 3. 68" diameter round plate. The plate has pre drilled holes in the base plate, including two holes at 180 degrees and three holes at 120 degrees. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 3. 38" Rubber Ball "E" Size Weight: 1. 55 lbs. Note: The "U" in the part number reflects product packaged in poly bag.