The double hook or Y track rail shot-blasting machines are the most versatile in terms of typical employment and size of the materials to be treated. Moreover the motorised hoists installed on the overhead conveyor allow the lifting of very high loads. The customer can choose the size and loading capacity of the machine according to the parts to be shot-blasted. The hook type shot blasting machine is designed to increase the performance of the hook type machines by keeping the turbines continuously running.