Upgrade your outdoor projects with the Lift-the-DOT Washer 90-PS-16510-29, a clear plastic reinforcement designed to support fastener installations. This heavy-duty washer features a three-sided lock and is corrosion resistant, making it ideal for marine, automotive, and outdoor gear applications. Each pack contains 1000 washers, perfect for securing boat covers, tents, awnings, luggage, holsters, and more. The clear plastic backing plate provides reliable reinforcement, ensuring durability in demanding environments. Whether you're working with leather, fabric, or protective gear, these washers deliver dependable support for a wide range of uses.