Concrete Anchor Screw, Anchor Diameter 1/4 in, Screw Size 1/4 in, Overall Length 2 1/4 in, Thread Length 1 7/8 in, Head Type Flat, Head Diameter 0.484 in, Head Height 0.188 in, Drive Type Phillips, Material Steel, Finish Blue Ruspert, Material Grade/Class Grade C, Removable Removable, Compatible Material Masonry, Stone, Wood, Drill Bit Size 3/16 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Includes Drill Bit, Maximum Material Thickness 1 1/4 in. This item has been restricted from sale in the following state (s): []