Fiber Glass duct rodders or push rodders and commonly called python rod by its nature passing through under ground ducts by ups, down negotiating the duct curvature thus very convinient to pull the cables , wires inside the duct , also it can be used to locate the duct block or damage portion identifications . its has high safety aspects to use underground applicartions because of its non conductivity of electricity, sets a major safety to site workers . It has been built with rigid sturdy steel tubular fabrication for easy usage at site and can be self coiled in the tubular frame and easily roll like trolley on ground by its wheels fitted at bottom . The ducts rodders normmaly comes in various diameters from 4.5 mm to 16 mm as per ground applications. normally 10 mm dia FRP rodders used for pulling, cleaning and locating blocks in Fiber optic Cable network applications .