It is a basic 3d model of a shock absorber which is mostly used in nowadays suspension system of automobiles.It has a huge importance in automobile industry and is a great development in suspension technology of vehicles. Shock absorber provides cushioning effect and thus prevent the transmission of road shocks to passsengers inside the vehicles and hence provide comfort even if road is damaged. Hence, it is a very important part in today's auto industry. Please do comment your opinion on the model. Thank you!!!.