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