Full Technical Description: Large Radius Type; Steel Material; Hot Dip Galvanized, 2 mil Blue Urethane Interior, Dark Gray 40 mil PVC Coated Exterior Finish; UL, CSA Approval; ANSI C80.1 Applicable Standard; 1 Per Pack Standard Package; 4 Inch Trade Size; External Threaded End Type; 90 Degree Bend Angle; 36 Inch Bend Radius; OCAL-BLUE[R] Brand; Length 78 Inch; Thread Protector Color Blue