Suiwotin 25PCS M25 (1 Inch) Conduit Clamps, Stainless Steel Two Hole Strap U Bracket Rigid Pipe Strip, Cable Clamp Hanger with 2 Holes Fit for 1 inch Pipes OD - Amazon.com
Jersvimc 16Pcs 1 1/4 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
Crouse-Hinds 512 1" Malleable Iron 1-Hole Rigid Conduit Clamp | Cooper Electric