Heavy Gauge Welded Aluminum. Perfect for work this unit includes rear sponsons that immediately increase the capacity of the boat and add stability. Powered by a 2005 Suzuki DF 115 Four Stroke engine this unit will be a work horse and will make you the most popular person on the lake. Galvanized Trailer included. Call Marsh's Marina (705) 538 2285 - this unit will not last long.