DOT Durable Post 93-BS-10413--1C Government Black Brass 5/16 inch 100 pack offers a heavy-duty snap fastener solution with a government black finish, made from durable brass material for long-lasting performance. Sized at 5/16 inch with a diameter of approximately 0.555 inches and a height of 0.295 inches, this post is engineered for secure snap action and is compatible with studs, caps, and sockets. Ideal for marine, military, upholstery, and outdoor gear applications, it meets military specification NASM27980-9B and is designed for use on boat covers, tarps, tents, luggage, protective gear, gear bags, gloves, and more. The pack of 100 provides reliable hardware that combines sturdy construction with functional design suited for heavy outdoor and utility use.