Hammer Drive Pin Anchor, Anchor Diameter 5/16 in, Overall Length 2 3/4 in, Thread Length 1 in, Anchor Material Steel, Pin Material Steel, Finish Zinc Plated, Head Type Round, Drill Bit Size 3/4 in, Minimum Installation Depth 1 1/4 in, Maximum Material Thickness 1 1/4 in, Ultimate Tension Strength (4, 000 psi Concrete) 2, 100 lb, Pin-Drive Anchor Type Heavy Duty Nail-Drive Anchor, System of Measurement Inch, Compatible Material Concrete, Masonry, Manufacturer Location Made in USA. This item has been restricted from sale in the following state (s): []