There are many types of wires you can use for supporting system. Among them galvanized straining wire is the best option to build the strongest and long lasting supporting system.

 

Straining wires can be stretched between vine eyes, which can provide the plants with room to grow and minimize the build up of stagnant air behind the plant. It is also important to keep the wires taut. A pair of pilers can be used to tighten the wires. Adjustable straining bolts can be helpful to tension heavy wires. To have a long last supporting system, good quality and rust resistant hardware are preferrable.

 

Some quality galvanized wires are for sale on eBay.