VESA PLATE
CLAMP BASE (FOR 4" OR 12" RAM ARM), 2" MAX. WIDTH
CLAMP BASE (FOR 4" OR 12" RAM ARM), 3" MAX. WIDTH
RAIL BASE (FOR 4" OR 12" RAM ARM), 2" TO 2 1/2"
ROUND PLATE
RAIL BASE (FOR 4" OR 12" RAM ARM), 1-1/4" TO 1-7/8"