Southwire Clip-It 3/4 in. Conduit Clip for EMT PVC (100-Pack) MKM30 - The Home Depot
Jersvimc 10Pcs 1-3/4 Inch Stainless Steel Conduit Clamps, Two Hole Strap U Bracket Rigid Pipe Strap Metal U Clamp Conduit Strap Tension Clips U-tube Clamp Heavy Duty - - Amazon.com