Hydra-Zorb Cushion Clamps The obvious choice in piping cushion-clamp assemblies since 1966 Cushion material is DuPont Hytrel rated from -65 F to 275 F Clamps are 1008-1010 carbon steel Studs are projection welded Nylon insert locknut Size is tube outside diameter Other sizes available-call for quote Click Here for a variety of strut mount clamps on our clearance page....