Hammer Drive Pin Anchor, Anchor Diameter 1/2 in, Overall Length 4 3/4 in, Thread Length 2 in, Anchor Material Steel, Pin Material Steel, Finish Zinc Plated, Head Type Round, Drill Bit Size 3/4 in, Minimum Installation Depth 2 in, Maximum Material Thickness 2 3/4 in, Ultimate Tension Strength (4,000 psi Concrete) 5,600 lb, Pin-Drive Anchor Type Heavy Duty Nail-Drive Anchor, System of Measurement Inch, Compatible Material Concrete, Masonry, Manufacturer Location Made in USA