Wall Anchor Screw, Anchor Diameter 1/4 in, Screw Size 1 1/2 in, Overall Length 1 1/2 in, Thread Length 1 1/2 in, Head Type Pan, Head Width Not Applicable, Drive Type Phillips, Material Steel, Finish Black Oxide, Material Grade/Class 1018, Removable Removable, Compatible Material Brick, Concrete, Drywall, Plaster, Drill Bit Size 3/16 in, Screw Anchor Type Self-Threading Anchor, System of Measurement Inch, Includes Not Applicable, Maximum Material Thickness Not Applicable