manual single crank bed specifications : 1. ABS head and end board ,with 4 protective bumpers ateach corner . 2. aluminium alloy side rails , can be folded down . 3.punched bed surface , 4 parts . 4.4 *Φ125 mm castors , 2 of them with brakes . 5.a shelf for shoes and luggage . 6.functions: backrest, legrest , 6.size : 1980*950*500mm 7.I.V.stand is free . manual2 cranks bed