Rigid/IMC/EMT Conduit Pipe Hanger, Type Conduit Hanger with Bolt, Trade Size 3-1/2 Inch, Installation Clamping Bolt, Conduit Type 3-1/2 Inch Rigid/EMT/IMC, Material Steel, Finish Zinc Plated, Size 1.25 Inch D x 5.38 Inch H, Mounting Hole Size 5/16 Inch (Bolt), Standard Package 10, Approval UL, CSA C22.2, Weight 38 Lb per 100