Full Technical Description: Pipe/Rigid Conduit to Strut Type; ASTM A1008/A575/A576/A635/A1011 SS Gr 33/A1046/A36/B633 Type 3 SC1 Hot Rolled Pickled and Oiled 11 Gauge Steel Material; Electrogalvanized Finish; 5.563 Inch Outer Diameter; 2-Piece Construction; 1000 Pound Load Rating; 5 Inch Trade Size; Safety Factor 5; Includes Slotted Hex Head Screw and Nut; Approval CSA