Hillman 290027 Fender Zinc Washers, 5/16 x 1-1/2", 100 Piece Product Description 100 pack, 5/16 x 1-1/2", Zinc plated steel, Fender Washer. Made from high quality materials and highly durable. From the Manufacturer This fender washer is a flat washer with a thinner body and an increased outer diameter offering greater surface bearing. They are chosen when a large outer diameter is required for an increased bearing surface and surface load reduction. Designed for auto body repair, fender washers are commonly used in sheet metal work, plumbing and electrical applications where a large washer diameter is needed. Features Fender washers have a larger surface area than standard flat washers Prevents a nut, bolt or screw from pulling through the material Package Dimension : 7.0 inches L x 4.5 inches W x 2.0 inches H Country of Origin: CHINA