Lag Shield Shell Expansion AnchorProduct Description : The Lag Shield is a screw style anchor designed for use with lag bolts. It is suitable for use inconcrete and the mortar joints of block or brick walls. In harder masonry materials, short style LagShields are used to reduce drilling time. The long style version is used in soft or weak masonry tobetter develop strength. The Lag Shield is not recommended for overhead applications. General Applications and Uses :