This video shows how to use a wire wheel brush on an angle grinder to remove rust or old paint from metal so that it looks practically brand new. The brush is easy to find at any hardware store and costs $15-$20. He shows how to attach the brush to an angle grinder. He then demonstrates how to use it with a rusty metal finial which has been clamped down to his work bench. The brush works very quickly to remove all the rust from the finial, revealing the shiny metal. Following the instructions in this video, you can get your old metal parts looking like new.