Conquest 5/16" x 1-3/4" Lag Shield Anchor, Long - Zinc Alloy | Qty. 500 (Carton)The Conquest Long Zinc Alloy Lag Bolt Expansion Shield Anchors provide a dependable anchoring solution for structural and heavy duty applications in solid base materials. Designed for use in concrete, brick, and masonry, these long style expansion anchors offer increased embedment depth and load capacity where extra holding strength is required. As a lag bolt is driven into the shield, the anchor expands to grip tightly against the base material,