Thomas Machine & Foundry > Fraser Marine Products > Tie Pocket Square Tie Pocket Square Tie Pocket Square Square marine grade aluminum tie pocket with 316 stainless steel or 6061 aluminum rod insert. Tested for high strength. Weld or bolt installation. View Square Tie Pocket 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