Rod Hanger, System of Measurement Inch, Mount Type Vertical, Screw Size 1/4 in, Overall Length 3 11/64 in, Material Steel, Finish Zinc Plated, Drive Type Socket, Compatible Material Concrete, Compatible Rod Thread Size 3/8 In.-16, Drill Bit Size 1/4 in, Minimum Material Thickness 4 in, ICC Approved for Cracked Concrete Yes, ICC Approved for Un-Cracked Concrete Yes, Seismic Approved Yes, Anchor Diameter 3/8 in, Body Length 2 1/2 in, Color Silver, Compatible with Grainger Part Number 2PFR6, 54PD99