Comparison : Item # 40,286, Steel A36 Angle 0.5x0.5x0.125x12"
Item # 40,287, Steel A36 Angle 0.5x0.5x0.125x24"
Item # 40,288, Steel A36 Angle 0.5x0.5x0.125x36"
Item # 40,289, Steel A36 Angle 0.5x0.5x0.125x48"
Item # 40,290, Steel A36 Angle 0.5x0.5x0.125x72"