Upgrade your outdoor living with the Lift-the-DOT Washer 90-BS-16509--1C, a reliable black brass washer designed for Lift-the-DOT fastener systems. This 100 pack features a government black finish and is made of durable brass, meeting US military specifications for heavy-duty use. The washer locks tightly on three sides and releases by lifting the dot, making it easy to use and secure. Compatible with studs, sockets, and back plates, it works well for marine, automotive, luggage, seats, tents, awnings, gear bags, protective gear, and military applications. Rust-resistant and made in the USA, this snap fastener washer is ideal for outdoor hardware needs.