I have been fishing at same cabin for at least 30 years. The owners have a large fish cleaning house. I would like to overhaul the troths (rested through) and filleting surfaces. The 2x12s are easy to find. It is fabricating the squared troths (10" x 12" x 16' that challenges me. I can do the renovation. Just not sure which metal to use for troths. Do I use aluminum, steel, galvanized? I will research a fabricator. ALWAYS check with Crappie.com folks for guidance. Thanks