Connecting rod transmits motions, occurred by combustion between piston and engine block, over the piston to the crankshafts. During the production of the connecting rods, to obtain smooth corner and edge, stoning operation is applied. All of the connecting rods are 100 % measured by applying balance operation to provide same weight. The big diameter of it is one piece. Big diameter is separated by cutting or breaking method and they are connected to each other by using special clamping guns. We have capacity of producing 500.000 pieces carter per year for 3, 4 and 6 cylinders engine.