Rod Hanger System of Measurement Inch Mount Type Vertical Screw Size 1/4 in Overall Length 3 11/16 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 2KLP3 2PFR6