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