DBI-SALA Advanced Wall Mount Sleeve - Zinc Plated* This Wall Mount Sleeve mounts to vertical concrete or steel structures to provide an anchor point base for an offset davit mast. * This davit base is bolted or welded to a concrete or vertical steel structures where frequently confined space system set up is required and provides a permanently installed davit mast base. * The Zinc plated hardware offers great corrosion resistance and can handle the toughest environments for added longevity. * This