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eavy Plate Fastener Installation Tools,the mechanical jack reciprocally pulls the handle, pulling the pawl pushes the ratchet gap to rotate, and the small bevel gear drives the large bevel gear to rotate the lifting screw so that the lifting sleeve can be raised or lowered to achieve the function of lifting pulling force.
* Strong and durable, long service life
* Using 10T hydraulic jack, easy to install the heavy plate fasteners, convenient and efficient.