The performance meets the requirements of "General Technical Conditions for Hydraulic Breaking Tools" GB/T17906, adopts single interface technology, supports pressure replacement tools, and has the function of stretching, jacking and maintaining the stability of heavy objects。The main part is made of high-strength alloy, and the key parts are imported from Europe。The top and bottom of the ejector rod are equipped with a 360-degree rotating cross head, which is convenient for positioning and can cope with various complex rescue situations;Two stage holding piston, the first stage holding force of up to 22 tons, the second stage holding force of 10.2 tons, lifting distance up to 1065mm。Widely used in accident rescue, earthquake disaster rescue, accident rescue and other environments, used to move obstacles, prop up objects, create rescue channels and maintain the stability of objects。