Baudelun 1-1/4" EMT Strut Clamps for Rigid Conduit and Pipe, 4 Packs Universal Steel Strut Clamps for Rigid Conduit and EMT, Standard Electro-Galvanized EMT Strut Clamps Assembled with Bolt and Nut -
The Plumber's Choice 4 in. Electro Galvanized Steel Strut Clamp 04CLSTGE - The Home Depot