16Pcs 1-3/8 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 - Walmart.com
Metal Pipe Clamps according to DIN
UTVDistribution Steel tube clamp 2" weldable bolt on roll cage mounts 4 Complete clamps - Amazon.com