I have 2 chair lifts, one to go up from First to Second floor and the other to the Basement from 1st floor. They are identical. One is10 steps long and the other is 13 steps but they can be combined oe Added on!Anyone is interested and needs it, I will sell it 50 percent of its price and provide information about removing and installing it in their home by the company who installed it. It will be available from July 15 to 18.I can provide photos. Usha Pearce 412-999-6746 Sent from my