Before the wire can be pulled through the die, it must first be prepared so that it can pass through the die. This step of preparation can be accomplished by either rolling the wire, shrinking the wire, hammering the wire, filing the wire, or forging the wire. In the vast majority of instances, in order to get the desired size out of the wire, it will be necessary to perform multiple stretching operations with molds that progressively improve in terms of the degree of precision they provide duri...