Complete with extended head pull tube and drive shaft, link fabric and helicals Designed to expand 80" bed frame to 84" Compatible with 5310IVC, 5410IVC and 5410LOW beds Attaches at the center of the bed Not for use with bariatric beds (BAR600IVC, BAR750), Invacare Value Care Bed (VC5310) or Invacare G-Series Bed (G5510)