The DOT Durable Stud 93-BS-10370-3A is a medium-sized, nickel-plated brass stud fastener built for reliable performance in outdoor and marine environments. This 10,000 pack offers a heavy-duty solution for securing upholstery fabric and marine canvas, making it ideal for use on tents, umbrellas, awnings, boat covers, outdoor upholstery, gear bags, and luggage. Featuring a self-piercing design, these studs penetrate thick materials without pre-punching holes, ensuring a strong snap action and secure holding power. With a flange diameter of 14.072 mm and a standard size, these eyelet studs provide long-term firmness and retention, compatible with a variety of setting tools. Perfect for projects needing durable, brass snap fasteners that deliver consistent results on canvas, protective gear, privacy curtains, and industrial curtains.