... crank Manul Care Hospital BedFeature: 1.ABS board of bed head/foot, Aluminum alloy side rails, castors ... , crank control,function of backrest. 2.Single-crank, epoxy coated frame, aluminium ... side rails, self-protect system of the crank 3.Skidproof and waterproof feet covers. ... Deluxe castor, over-bed table. ABS Sing-crank Manual Care Hospital Bed