... ThicknessRoller LengthTube structureSurface treatmentErecting structureΦ1661.2,1.550-1500PVC,Coat rubber,Carbon steel ,Stainless steel , Aluminium alloy galvanizedchrome plateskin glueplasticinjectiona.spring ... .0,4.080-1500Φ10825,303.5,4.0100-1500 Coat rubber,Carbon steel ,Stainless steel , Φ12730,354.0,4.5200-1500 ...