We are manufacturer and supplier of Pre-shortening Inserts that are used in railway piston for providing stable position to hold piston rod. They are easy to insert in the rods and break down when piston comes back into its normal position. These inserts are uniform in shapes and have accurate structure integrity. After, processing inserts are tested on various methods to ensure that the end-products meet all the demand, feature and standard quality. They are constructed in tiny compact ball shape to make them perfect for using in railway applications. The Pre-shortening Inserts gives easy movement of the draft gears.