RAM MOUNTS Square Rail Forklift Mount  2.5" max width clamp mount with 1.5" diameter ball double socket arm & 4.75" square base (VESA hole pattern).

RAM MOUNTS Square Rail Forklift Mount 2.5" max width clamp mount with 1.5" diameter ball double socket arm & 4.75" square base (VESA hole pattern).

RAM-246-247U-25$63.49