Molded top provides large standing platform. Slip-resistant traction-tred steps. Plated steel braces on bottom steps. Combinations rail end shield and foot with slip-resistant foot pad. External pinch-proof spreaders. Dimensions: 5-5/8" x 12-3/8" top; 3" steps; 3-1/8" wide front rails; 1-1/8" wide front flange; 1-3/4" wide rear rails; 1-3/16" wide and 5/8" wide in front.