Tow chain is an important accessory of chain harrows or spike tooth harrows. It links harrows with tractors or other vehicles together. Flexible character makes it easy to make a turn. Length of tow chain is customized to better fit your purpose. In addition, galvanized finish is available on request.Tow chain is an important accessory of chain harrows or spike tooth harrows. It links harrows with tractors or other vehicles together. Flexible character makes it easy to make a turn. Length of tow chain is customized to better fit your purpose. In addition, galvanized finish is available on request.