Horizontal Rod Hanger System of Measurement Inch Mount Type Horizontal Screw Size 1/4 in Overall Length 2 1/4 in Material Steel Finish Zinc Plated Drive Type Socket Compatible Material Steel Compatible Rod Thread Size 3/8 In.-16 Drill Bit Size 1/4 in Minimum Material Thickness 1/8 in ICC Approved for Cracked Concrete No ICC Approved for Un-Cracked Concrete No Seismic Approved No Anchor Diameter 3/8 in Body Length 1 1/2 in Color Silver Compatible with Grainger Part Number 54PE03