Common Sense Washer 91-BS-78505-2A is a nickel-plated brass washer sold in a 1000-pack designed to securely hold fabrics and materials together in outdoor settings. This flat washer works seamlessly with snap fasteners and turn buttons, making it ideal for upholstery, marine, canvas, tent, awning, luggage, and outdoor fabric hardware applications. Its corrosion-resistant finish ensures durability against rust, especially in marine and outdoor environments, enhancing the longevity of boat covers, gear bags, and watercraft seats. This brass washer offers reliable fastening support while maintaining a sleek, nickel-plated appearance suited for curtain washers and other fabric fastening projects.