Rudder stock, also called rudder pintle, after Rudder Stock roughing, it will be conducted for the aging treatment, NDT Inspection and taper surface to scratch with. Rudder stock also known as rudder pulling rod,Rudder Stock is a part of rudder system. Rudder system include rudder blade, rudder stock, rudder pintle, carriers ,bearings and other accessories. It is a very important part of steering system. It make sure the vessel change direction.