Rod Hanger System of Measurement Inch Mount Type Horizontal/Vertical Screw Size 5/16 in Overall Length 3 1/4 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 Not Applicable ICC Approved for Cracked Concrete No ICC Approved for Un-Cracked Concrete No Seismic Approved No Anchor Diameter 3/8 in Body Length 2 1/4 in Color Silver