Concrete Anchor Screw, Anchor Diameter 1/4 in, Overall Length 3 3/4 in, Head Type Flat, Drive Type Torx, Material Steel, Finish Climaseal, Material Grade/Class 1022, Compatible Material Block, Brick, Concrete, Drill Bit Size 3/16 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Maximum Ultimate Shear Strength 1,440 lb, Maximum Ultimate Tension Strength 950 lb, Minimum Installation Depth 1 in, Manufacturer Location Made in USA, Body Length 3 3/4 in, Package Quantity 100