DetailsThe Adjustable Anatomic Backband has a trick Lumbar Plunger for complete customizing of support and comfort. The plunger can be utilized for straight on or angled, articulated back support. When the strap and cam buckle are engaged to the desired position, the lumbar plate moves and applies more positive contact to the lumbar region. Complete with NSI Power Posts and Ratchet Buckles with Ladder Straps. .