4104A – SUBURBAN MFG Entry Step, 3 Manual Folding Steps 23-1/2 Inch Width x 13 Inch Top Step Depth With 8-1/2 Inch Rise Wide Width Fits Inner Door Flange Width Of 30 Inch To 34 Inch 500 Pound Capacity Removable Mount With 2 Pins Square Edge Steps With Slotted Non-Slip Treads Flat