DOT Durable Cap 93-X2-10112--1A features a medium 5/16 inch nickel-plated brass cap with a diameter of 0.600 inch and height of 0.318 inch, designed for reliable, long-lasting snap fastening. This 100-pack of durable, corrosion-resistant caps works seamlessly with compatible sockets, studs, and posts, making it ideal for enhancing upholstery, marine canvas, tents, awnings, boat covers, gear bags, luggage, and protective gear. The self-piercing design allows easy installation without pre-punching, ensuring stable and secure attachment in outdoor living and patio projects.