Round Mounting Bracket, Fire Rating 3 hr, For Pipe Size Not Applicable, For Use On Floor Penetrations, Wall Penetrations, Includes Not Applicable, Includes Mounting Hardware Not Applicable, Outside Diameter 4 in, Overall Height 0.8 in, Overall Length 4 in, Overall Width 4 in, Product Type Mounting Bracket, Shape Not Applicable, Usage Location Commercial Construction Surfaces, Color Silver, Finish Galvanized, For Use With Mfr. No. PT4RD, Material Steel, Standards UL Listed, Package Quantity 2