The JetStream 4 has been designed to provide maximum cable protection, combined with the performance and reliability of hydraulic drive. The profiled double drive belt system is driven by single 32cc hydraulic motor, powered by a supplied power pack with oil cooler. The electronic monitoring system provides a read-out of speed and distance, helps protect against duct obstructions and includes an emergency stop. The JetStream is adjustable to suit a wide range of cable diameters .23-.79 in. (6-20mm), and duct diameters of .75-1.50 in. SDR (10-50mm OD). Optional belts suits a range of cable diameters from .16-.63 in. (4-16mm).