Unique track system carries patient down stairs and through tight spaces. Allows 1 person to evacuate individuals up to 200 lbs. and 2 people to evacuate individuals up to 500 lbs. Features include an ergonomic, 5-position extending lift bar, handles, 3 nylon web straps, footrest, and folding design with locking hinge mechanism. Mounts to interior walls. Evacuation Stair Chair, Height 37 1/2 In, Width 20 1/3 In, Depth 51 In, Metal Construction, Five Position Extending Lift Handles, Color White, Straps Count 3, Straps Type Nylon Web, Two 6 In Rear Wheels, Two 4 In Front Casters, 500 Lb Weight Capacity, Includes Track System, Locking Hinge Mechanism, Footrest