Specmar inc (previously specialty marine contractors) is an aluminum boat design, lofting, and kt company. we have a large product line including aluminum drift boats. Boat building cutting files kits boat building plans designs custom boat plans kits steel aluminum power boats sailboats trawlers part built boats or complete boats. All designs for aluminum construction are included here. for further study, we have books available in the books, dvd’s and audio section of our store at your left..