specifications: 1.ABS head and end board , easy to install 2.4 pcs ABS side rails ,can be adjusted easily 3.powder-coated steel bed base board , 4 parts 4.central brake system, 4*150mm castors 5.3 cranks : backrest,legrest,Hi-Low position 6.with stainless steel I.V.stand ,height is adjustable 7.size: 2100*950*520-720mm manual hospital bed