The Mercer Industries welders' toothbrushes are excellent for cleaning dirt, rust, scale, and paint. They are made for industrial applications such as plating and welding operations. Easily handle all your small jobs. Features carbon steel wire. Mercer Industries is a 3rd generation family owned Company that was built on core Values of quality, performance, delivery, service, and price. Founded in 1968, Mercer Industries offers more than 3,000 products for the flooring, industrial, automotive and welding markets. Mercer is committed to serving its customers and providing quality products. For more information, visit mercerindustries dot com. We're here to support you. Please contact our team at info at mercerindustries dot com with questions or comments. Proof of purchase required. neglect, negligence or accident, or that has been used in any way contrary to the Purpose intended.