Rod Hanger, System of Measurement Inch, Mount Type Vertical, Screw Size 1/4 in, Overall Length 1 in, Material Steel, Finish Climaseal; Zinc Plated, Drive Type External Hex, Maximum Load Capacity 446 lb, Compatible Material Steel, Compatible Rod Thread Size 3/8 In.-16, Drill Bit Size Not Applicable, Minimum Material Thickness 3/16 in, ICC Approved for Cracked Concrete No, ICC Approved for Un-Cracked Concrete No, Seismic Approved No, Anchor Diameter 1/4 in, Manufacturer Location Made in USA