... 760x320x170mmQTY IN 20’ CONTAINER: 680PCSPorta Power Jack is commonly used as a source of power for many types of presses, riveting ... machines, capstans, winches, and other machines. Porta Power Jack consists essentially of two cylinders each filled with liquid and ... compress large objects. The whole range of Porta Power Jack :The porta power jack listed above were sold to American, European, ...