I have a set of interior stairs for sale. It has 11 risers at 7 3/4" and 10 treads at 11". Overall height is approximately 7' and over all length is approximately 9'. It measures 36.5" wide. The bottom 3 stairs are open and measure 44" wide. Asking $400.00 email me for more info. Please include enough info in email so that I know you are not Spam.