Thomas Machine & Foundry > Fraser Marine Products > Bulwark Chock with Horns Bulwark Chock with Horns Bulwark Chock with Horns Marine grade aluminum or bronze bulwark chock with horns for secure line control and reduced chafing. Multiple sizes offered. Rugged construction ensures reliability in commercial marine use. View Bulwark Chock W/ Horns 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