Quick view Pro X T-C12H Heavy Duty Quick Rig Clamp for 50mm or 2" Tubing. Pro X T-C12H 2" wide Heavy Duty Quick Rig Clamp. This is a Low Profile Hook Style Clamp that fits Global Truss F31, F32, F33, F34 or F44P - 2" or 50mm Diameter Trussing or Tube. Will also work with...