HP-W7 Stair Chair Stretcher Evacuation Chair For AmbulanceThis new stretcher for stairs is made of high strength aluminum alloy materials. An ideal facility for emergency staff to transfer patient to go up and down stair. Two stationary rear wheels enable the patients to be moved over most surfaces with minimal effort. Approves the patient's safety during transport process because of it's 3pieces of restraint straps with quick release buckle. Two flexible uplift rods under the front of the stretcher. Can be