The Flint & Walling 131745 washer is a high-quality zinc-plated component measuring 21/64" x 1-1/4" x 13GA, designed for use in various fastening applications. This washer provides excellent corrosion resistance, making it suitable for both indoor and outdoor use. Its robust construction ensures a secure fit, enhancing the stability of your assemblies. Ideal for use in plumbing, electrical, and mechanical applications, this washer is essential for ensuring proper load distribution and preventing damage to surfaces. Its durable design guarantees long-lasting performance, making it a reliable choice for any project.