A finger assembly for use in a packer grid wherein the finger assembly comprises a body having an upper frustoconical section having at least one flat thereon. At least one flexible finger extends downwardly and outwardly from the body. The finger includes an upper portion which is positioned against the flat. The upper portion also includes at least one ear. A cap is attached to the upper portion of the body and holds the upper portion of the finger against the flat. The cap also includes a circumferential groove in its interior surface into which the ear extends to prevent withdrawal of the finger when the cap is tightened.