EMT/IMC/PIPE/RIGID CONDUIT TO STRUT TYPE; ASTM A1011/A653/B633 12 GAUGE LOW CARBON STEEL MATERIAL; ZINC ELECTROPLATED FINISH; 1.735 TO 1.931 INCH OUTER DIAMETER; 600 LB (VERTICAL), 75 LB (LONGITUDINAL/TRANSVERSE) LOAD RATING; 1-1/2 INCH TRADE SIZE