Rod Hanger System of Measurement Inch Mount Type Horizontal/Vertical Screw Size #2 Overall Length 4 in Material Steel Finish Zinc Plated Drive Type Socket Compatible Material Steel Compatible Rod Thread Size Not Applicable Drill Bit Size 1/4 in Minimum Material Thickness 1/16 in ICC Approved for Cracked Concrete No ICC Approved for Un-Cracked Concrete No Seismic Approved No Anchor Diameter 3/16 in Body Length 3 1/4 in Color Brass Compatible with Grainger Part Number 54PE05