Steel King's I-beam cantilever racks are available in standard freestanding heights up to 20 feet; arm lengths up to 8 feet; and have the capacity to hold loads up to 20,000 pounds on one side of the column. Columns, arms and bases are constructed of I-beam structural steel with a 50,000 psi minimum yield. Arms and bases are secured to columns with grade 5 bolted connections. I-beam cantilever racks are ready for heavy-duty applications with low maintenance. Request a quote today.