Hardly used 300 lb User Weight Capacity Assembly Required Air Support Lumbar Pad Longer Ankle Holding Knob for Easier Release with Ergonomic Ankle Holding System True Balance System for Easy Inverting Six (6) Position Adjustable Pin System with added Patented Protective Cover for easy positioning Large, Comfortable Backrest Pad with Adjustable Headrest Pad Consult with a licensed physician before starting any new exercise regime.