Conduit Hanger, Type Conduit Hanger with Swing Bolt and Nut, Trade Size 1-1/4 Inch, Installation Swing Bolt with Nut, Conduit Type 1-1/4 Inch IMC/EMT/Rigid, Material Steel, Finish Zinc Plated, Size 7/8 Inch D x 2-21/32 Inch H, Mounting Hole Size 1/4 Inch (Bolt)