Gripple medium lock (Gripple Medium) is used to connect and stretch a wire or cable, to the desired extent, with a diameter of 2.0-3.25 mm.
Galvanized steel wire, diameter – 2.6 mm has sufficient flexibility and strength
Galvanized steel rope, diameter – 5.6 mm and 8.2 mm. It is used to stretch the trellis system and give it sufficient rigidity.