3 CRANK MANUAL HOSPITAL BEDSpecifications: Outside size: L2150*W1050*H460-720mmInside size of mattress base: L1950*W900mmHead & foot board: Detachablr ABS Head & foot boardGuardrails: Collapsible ABS guardrailsCrabk: 3PCS manual crankWheels: Center controlled lockUrine hooks: Urine hooks by steel chromeSafe working load: The quality attains national standard. It is equipped with center cntrol lock which is quiet and noiseless and able to support over 200kgs.