... kinds of idler rollers. Stainless steel,galvanized steel,pvc,hdpe,rubber etc. Powered,free. roller Roller DiaShaftDiaTube ThicknessRoller LengthTube structureSurface ... 2,1.550-1500PVC,Coat rubber,Carbon steel ,Stainless steel , Aluminium alloy galvanization\chromeplate\skin glue\plastic\injectiona.spring shaftb.mandrel ... 0200-1500Φ800Φ10010.0,12.0200-1500 pvc roller and plastic roller