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