Conduit Hanger; Type Conduit Hanger with Bolt and Nut; Trade Size #9; Conduit Type 4 Inch Rigid/EMT; Material Steel; Finish Zinc Electroplated; Size 1-1/4 Inch D x 6-7/8 Inch H; Standard Package 10; Approval UL (Canada and US), CSA; ROHS Compliant; Application to Secure Conduit to Threaded Rod, Insulator Support/Directly to Mounting Surface