Designed to the safety and containment of cattle and other livestock, these tensioners are essential for maintaining optimal tension across your fencing. Trusted by ranchers and farmers, they provide a reliable solution to keep your animals secure and your property protected. Featuring a convenient screw-in mechanism, these wire tensioners allow for easy adjustment and consistent tension maintenance. This design simplifies the process of tightening wires, cords, or tapes, ensuring your fence remains sturdy and effective over time. Built to endure the elements, these tensioners boast weather- properties that protect against and damage from extreme weather conditions. Their durability makes them an ideal choice for outdoor use in any climate, ensuring long-lasting performance. Versatile and user-friendly, these tensioners are compatible with a variety of fencing materials including poly wire, line, rope, and tape. Their easy adjustability and secure hold mean you can quickly adapt to different fencing needs without compromising on stability. This pack of 20 wire tighteners features a practical butterfly handle-type screw mechanism, making installation and adjustments straightforward. Color: Black Material: plastic Package Contents: 20* Electric Fence Tightener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.