1/4 In. X 1-3/4 In. Assorted Sizes Hex and Phillips Head Concrete Anchors with D
X 1-3/4 In. Fastening Base Material Brick,Concrete. Take the stress out of anchoring with the MarySino 200-Piece Concrete Screw Set. Fastener Type Concrete Screws. Anchor Head Style Hex. Drive Style Hex.