... , Gravity Roller ConveyorExamples of conveyed goods: Boxes, Light tools or machine parts, Books, Trays, Parcels, Books, Videos, etc.Typical Applications: Flexible assembly ... beautiful.SpecificationsThe diameter of the roller have all kinds, see following:Roller conveyor dia: 25.4mm, 38.1mm, 50.8mm, 57mm, 60mm, 63mm, 75mm ...