Material: Zamac Alloy Description: The lag shield is a corrosion-resistant expansion anchor designed for use in concrete and brick walls, offering excellent tensile strength. Its internal threads allow screws to be directly fastened, and once installed, it sits flush with the surface. It also goes by the names Lag Screw Anchor or Lag Screw Shield. Features: It is mainly suitable for wall surfaces such as concrete and solid brick, which provide sufficient support for the anchor to expand properly and hold firmly during installation. Made of zinc alloy for excellent rust resistance Internal threaded design allows screws to be directly fastened Once installed, it sits flush with the wall for a perfect appearance