The 2x4 Plate is designed to extend the life of wood 2x4's by stopping low hitting bullets. The plate is constructed of 3/8" AR500 steel and is designed to stop most common handgun and rifle calibers. 3.5"x12" 3/8" AR500 steel plate, rated for 308 at 100 yards. Ships with mounting hardware, 1/2" carriage bolts, washers and nuts. A 1/2"+ drill bit is required Target and static target hanger are shown for demonstration only and are NOT included. Wood 2x4 NOT included