There is a requirement for all of the various types of wire that are available because different industries have different requirements to meet for the wires they use. However, each of these industries tends to stick with a small selection of wire types that are suitable for their needs, which can make selecting wire more straightforward. For example, when you go out looking for a 2.5 mm wire price, you might be awestruck, especially if you check out the many types available at www.industrybuying.com.