Engineered for resilience, the Common Sense Washer 91-BS-78505-1C stands up to the toughest environments--from military and marine gear to tents, luggage, and protective equipment. These 100 Black Oxide Brass Washers feature a Government Black finish for subtle corrosion resistance and a rugged look, yet remain compact enough for use with turn buttons, grommets, and back plates. Made of sturdy brass, they fit precisely with applications requiring a reliable, durable fastener--inner diameter .660 in x .410 in, outer diameter 1.010 in x .770 in--offering quiet confidence wherever dependable hardware matters. Whether you're outfitting truck canopies, gear bags, leather products, or boat covers, this Common Sense Washer 100 pack keeps assembly seamless and your setup looking finished to the end, always ready to ship for your next project.