... thighrest adjustment, whole bed HI-LO control2,High quality carbon-steel applied for the main body of the bedstead,all surface ... treatment,antibacterial powder coating.3,One-off forming of carbon-steel bed plate,great strength ,large air-bleed hole design, ... Head and foot boards integrated with ABS + plastic-overmolded stainless steel tubes,nice and elegant,firm and durable.5,Silent casters(optional ...