Designed for secure, screw-fixed fastening, this 3-part set includes a stainless-steel machine screw, a brass socket, and a matching cap for a strong and dependable hold. The threaded screw fits neatly into a pre-drilled hole, while the remaining components create a tidy, durable finish. Suitable for awnings, tarpaulins, boat covers, caravans, furniture, upholstery, and machinery covers, it offers reliable, rust-resistant performance for repairs and new installations.