A ferrule is an object made either of metal, plastic or a combination of metal and plastic, generally used for the joining or reinforcing 2 pieces of wire or cable or to make an eye termination on the end of a cable.

A ferrule is an object made either of metal, plastic or a combination of metal and plastic, generally used for the joining or reinforcing 2 pieces of wire or cable or to make an eye termination on the end of a cable.