Hillman 385390 WallDog Self-Drilling Pan Head Phillips, 3/16-Inch by 1-1/4-Inch, Chrome Screw and anchor in one Easily penetrate wood and metal studs Holds up to 50-Pound (1/2-Inch drywall), 175-Pound (4000 psi concrete), 95-Pound (brick) Chrome finish 75 pieces per pack