The EO-KARRYMAT is a simple, portable device for pre-assembly of EO progressive ring and EO-2 tube fittings. It is ideal for the use in repair shops, mobile repairs, plant maintenance, process engineering, paper production, power plants, offshore technology and industrial production. The EO-KARRYMAT consists of a hydraulically powered tool and a handpump. This device is suitable for the assembly of steel and stainless steel fittings for tube with an outside diameter from 6 to 42 mm.