NABRICO offers a wide range of cast steel chocks needed for proper and efficient marine duties. All castings are produced using A27 cast steel and are normally supplied raw from the foundry. While castings are normally preferred in this state, NABRICO has the capability to blast and paint with a zinc primer or provide most castings in Stainless Steel. Chocks are available in a variety of styles and sizes that include: button, open or closed, roller and panama canal chocks. Whatever the job, NABRICO has a chock that meets your needs.