European standard high strength engineering grade material, high hardness, resistant to falling and is not easy to be damaged. Reverse clamping press and hold the disassembly button to remove the clamping body at one end and install it on the clamping rod at the other end in the oppisite direction, thus realizing the fuction of a Jack. High strength clamping force, clip tightly. Soft rubber to prevent workpiece from being pinched. Great design grip handle to adjust grip distance, more convenient to use. Quick conversion, convenient and labor-saving.