Expandable Cage is broadly used for reconstruction of the thoracolumbar spine. It is well engineered with a wide quality of raw materials and sophisticated tools. It is a valuable tool which is filled with autogenous bone graft material. It is a cage which is designed in a big hole. Expandable Cage derives an excellent fixation into the vertebral endplate. It is useful to enable an optimal tactile for the surgeon. It is highly adjustable and customize the device height to the patients anatomy.