Upgrade your outdoor projects with the Common Sense Washer 91-BS-78505-1A, a nickel-plated brass washer designed for reliable performance in demanding environments. This 100 pack offers corrosion resistance and durability, making it ideal for marine canvas, upholstery fabric, tents, awnings, luggage, gear bags, boat covers, watercraft seats, and more. The heavy-duty design works well with several layers of material and matches turn buttons, back plates, and grommets. With precise inner and outer diameter specifications, these washers deliver consistent results for automotive, military, aviation, and protective gear applications. Choose this washer for long-lasting protection and dependable function in outdoor and performance upholstery projects.