Spike Pin AnchorProduct Description : The Spike is a, one-piece, vibration resistant anchor for use in concrete block or stone.Several head styles, including tamperfroof versions, and anchor materials are available.The Spike anchor is formed with an “s” shaped configuration at the working end of theanchor to create an expansion mechanism. Since the anchor is pre-formed, there is nosecondary tightening operation required which greatly reduces the overall cost of an anchorinstallation. General Applications and Uses :