There is no faster, more permanent way to take the slack out of your fence line. Works with barbed wire, electric fence wire, horse fencing, or net wire fence, and will work on 16 ga and up to 12.5 ga Hi-Tensile and Mild Steel wire.. The unique tool is simple in design and easy to use. Durable and comes with a lifetime warranty. Use anywhere along the fence line that needs stretched and the result is a neat, tight wire. No need to remove staples or tie wires. The tool has two “hinges” that are indented; you place the fence to be tightened into those slots, grab another slice of wire tightening them on both ends with a small leverage hole available in the middle. Take your pliers or fence tool and rotate (circle) around. This pulls the wire tight and your fence is stretched.