Tensioners are weather- and strong enough to withstand the wear and tear of extreme weather conditions. The wire tensioner has a screw-in mechanism that easily tightens the wire/rope and maintains the desired tension. This tensioning accessory offers many advantages by using fencing to help safely restrain cattle and other livestock. It is trusted by ranchers and farmers for proper tensioning of fence lines. tape tighteners come in packs of 12 and feature a butterfly handle style screw mechanism. Diameter: 65 x 55mm/2.6inch x 2.1inch, Weight: 0.4739938633 Pounds, Manufacturer: puhae