"Cotterman straddle stairs with 350-lb. capacity is designed to straddle obstructions and climb in tight places. Base Size W x D in. 28 x 41, Capacity lbs. 350, Dimensions W x D x H in. 28 x 41 x 60, Finish Type Gray powder coat paint, Step Type Expanded metal treads, Step Width in. 24, Steps qty. 3, Top Step Height in. 30, Platform Size W x D in. 24 x 20, Rail Height in. 30, OSHA Approved Yes."