1. When the fence line is loose after long-time use, you can re-tighten the fence by simply turning the ratchet. 2. Ideal use for farm, garden, yard, villas, estates, vineyards and universal privacy filed. Features : 1. Cast by aluminum alloy, sturdy and durable for long term use. 2. The locking frame can effectively prevent the tooth wheel from rotating to increase the reliability after installation. 3. High quality and excellent performance ensures it will be strong. For steel/aluminum wire, poly wire, poly tape up to 1-1/2" Wide and all poly ropesput the wire thread into the hole and then use the wrench to tighten the both ends until the state of the wire to the level you need. Made of high-quality steel, the surface is galvanized, it has the advantages of high temperature resistance, corrosion resistance and no rust. Equipped with a locking notch, can effectively prevent tooth wheel from rotating to increase the reliability after installation. Ideal for farm, garden, yard, vineyards, villas, estates, universal privacy filed, temporary fence enclosures or managed intensive grazing applications.