Superstrut Square Washer is designed for use with the Superstrut metal framing and hanger system, providing reliable support and durability. This washer features a 1-5/8" square shape and is made from high-quality materials with a Goldgalv electroplated zinc finish, ensuring corrosion resistance and long-lasting performance. It is suitable for 3/8" bolt sizes and comes conveniently packaged in a poly bag containing 5 washers, making it easy to handle and store. This washer is an essential component for secure and stable metal framing installations. Model Number: ZAB241-3/8-10