1Good Function: The function is to tighten the horizontal alloy wire, so that the alloy wire can maintain proper tension and prevent the alloy wire from shaking at will. 2Weather Resistant: The electronic fence wire tensioner is weather resistant, making it durable enough to withstand the wear and tear associated with extreme weather conditions. 3Maintain Wire Tension: The electric fence wire tightener makes it easy to adjust the wire and cable and maintain the desired tension. 4Product Size: Diameter on both sides is about 0.4cm / 0.2in. Fence wire tightener size is about 7x5x3cm / 8x0x2in. Light in weight, easy to carry. 5Good Workmanship: Exquisite workmanship, beautiful appearance, small and portable size, providing you great using experience.50 x Fence Tensioner