Fender Washers have a large outer diameter, an increased bearing surface, and a surface load reduction. Designed for auto body repair, sheet metal work, plumbing, and electrical applications. The greater surface bearing design offers a thinner body for strong, durable performance. Zinc plated fasteners have good corrosion resistant qualities and are a good choice for indoor, outdoor and industrial applications. Available in zinc plated steel and 18.8 stainless steel.