The Mighty Forge achieves welding temperatures in minutes and is constructed out of 12 gauge hot rolled steel. The two burners are individually controlled with stainless steel burner tips. The inside firebox dimensions for The Mighty are 11.5" W x 7.5" D x 3.5" H. The two side ports measure 3" x 1.5". Forge Weighs 60 lbs. Also comes with a 10' hose, Self Regulating 0-35 Lbs propane regulator and gauge. The Trailer forge has a reinforced bottom brick, reinforced side walls and ceiling, and a hold down bracket for the brick