... . Stainless steel,galvanized steel,pvc,hdpe,rubber etc. Powered,free. roller Roller DiaShaftDiaTube ThicknessRoller LengthTube structureSurface treatmentErecting structureΦ16Φ61.2,1 ... ,10.0200-1500Φ800Φ10010.0,12.0200-1500 pvc roller and plastic roller