Thomas Machine & Foundry > Fraser Marine Products > Sure Clip Sure Clip Sure Clip Low-profile tie-down originally designed for aircraft use. Cast in aluminum with 316 stainless rod insert for high strength. Weld or bolt down. Test data available. View Sure Clip Drawing Request A Quote Back to All Products Get in TouchWhether you need casting, precision machining, or finishing services, Thomas Machine & Foundry is here to help. Request A Quote