... tube brand:Jretek certificate:CE copper clad single wall steel bundy tube Bundy Tube 1.Copper coated Steel Tube 2. ... Galvanized brake Bundy Tube bundy steel tubecopper tube rectangularsquare copper tube 1.Galvanized Steel Tube 2. Steel brake ... ,DIN,UNI,GB6,Material:low carbon steel tube7,Copper plated or Zinc plated8,Wall thickness:0.5mm ... 710.000.712.000.712.700.7 copper clad single wall steel bundy tube