This unique Dual-Sided Step offers more versatility. The steps are made from perforated steel or grip strut steel. The base includes four feet with rubber tips to protect the floor. Portable units have four spring loaded casters. Individual steps are either 17"W, 24"W or 30-1/4"W x 7"D with the top step measuring 14"D. Steps are spaced 10" apart. Portable units have a yellow finish.