The E size 3.38", holds up to 20 lbs.
RAM 3.68" Dia Round Base with 3.38" Ball (RAM-E-202U)
RAM 2.5" Clamp Base with 3.38" Dia Ball (RAM-E-247U-25)
RAM Double Socket Arm for 3.38" Balls (RAM-E-201U)
RAM 3" x 11" Rectangle Base with 3.38" Ball (RAM-E-111BU)
RAM Vesa 4.75" Plate with 3.38" Dia Ball (RAM-E-246U)
RAM Short Socket Arm for 3.38" Balls (RAM-E-201U-D)
