1.Pipe clamp/Steel pipe Clamp/pipe tube 2.Size available:1",2",3",4",5",6.5" 3.Material:40# Steel/1040 ... Clamp/Steel clamp/pipe tube1.Size available:1",2",3",4",5",6.5"2.Material:40# Steel/1040/40CR3.Application:Pipe ... bubble bag.Then put the pipe clamp into a carton. Concrete pump pipe clamp