Concrete/Masonry Screw, Anchor Screw Head Style Hex Washer Slotted, Anchor Material Steel, Material Grade Case Hardened, Fastener Finish Blue Ruspert, Anchor Dia. 1/4 in, Anchor Length 3 1/4 in, Seismic Approved No, Drill Bit Size 3/16 in x 5 1/2 in, Package Quantity 100