1-PIECE, J TYPE; STEEL MATERIAL; PREGALVANIZED FINISH; 12-7/8 INCH; 8 INCH MIN. PIPE SIZE; 8 INCH MAX. PIPE SIZE; UL (CANADA AND US), WW-H-171 TYPE 10, MSS-SP-58 TYPE 10, FM APPLICABLE STANDARD; 1000 LB LOAD RATING; 1/2 INCH HANGER MOUNTING SIZE