A portable screw tensioner, including: tensioner body and tensioning handle, the front of the tensioner body is provided with a cutting device, the cutting device is fixedly connected to the tensioner body, the cutting device is also provided with a cutting device for controlling the handle of the cutting device, the cutting device handle is fixedly connected to the cutting device

The elastic tensioner is widely used in various vineyards, botanical gardens and eco-agricultural greenhouses, forestry, airports, ships and power construction. Advantages of this fastening device: easy to use, practical, wide range of use, relatively inexpensive, low cost and long service life.