Thomas Machine & Foundry > Fraser Marine Products > Scupper 7×16 Scupper 7×16 Scupper 7×16 Heavy-duty 7″ x 16″ marine grade aluminum scupper with stainless steel fasteners. Provides reliable drainage. Weld or bolt mount. View Scupper 7X16 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