1.5 in Ball Mount with 3.625 in Square Base VESA

RAM MOUNTS RAM-246-2461U RAM 1.5" Ball Mount with 3.625" Square Base VESA (4 X 75mm) & 4.75" Square Base VESA (4 X 75mm) (4 X 100mm)

The RAM-246-2461U consists of a double socket arm, 3.625" square plate and 4.75" square plate. The 3.625" square plate contains a 75mm X 75mm VESA hole pattern. The 4.75" square plate contains a 4x100mm holes and 4x75mm hole pattern. Designed into the mount is a 1.5" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm.