Application: The lag bolt kit fit for concrete wall, wood studs and brick wall Material: High quality plastic anchor, plated lag screws and alloy steel drill bits Note: Concrete anchors are not with wood and drywall Package: The kit includes 4 lag screws, 4 concrete anchors, 4 washers,2 kinds of drill bits Application: The lag bolt kit fit for concrete wall, wood studs and brick wall Material: High quality plastic anchor, plated lag screws and alloy steel drill bits Package: The kit includes 4 lag screws, 4 concrete anchors, 4 washers,2 kinds of drill bits Note: Concrete anchors are not with wood and drywall : 2 years