The Pinnacle Heavy Duty Stair Lift offers a high-backed, contoured 24" wide seat which ensures a comfortable and secure ride. The sturdy, stationary armrests and reinforced footrest add stability for safer transfers. It slides out from wall as it pivots at top landing. As with all Pinnacle stair lifts, the HD model is engineered to the highest industry standards and designed for optimal comfort, convenience and aesthetics. Extending the many benefits of the Pinnacle’s patented Worm Drive, this stair lift features a premium ride, little to no maintenance, comfortable seating, and ease of access with a 85 degree swivel - and, with extraordinary lifting capacity.