Check the listing for details. POWERTYE Aero Track Kit 5' 45425-KIT. Condition: New. Listed at 159.09 USD. This special Heavy Duty Pack comes with TWO 5ft Aero-Tracks, FOUR Aero-Track Heavy Duty Connector Rings and Mounting Hardware. Features: 2 X 5ft Aero-Tracks 4 X Aero-Track Heavy Duty Connectors Mounting Hardware (14 pcs - 1?" x ?" Bolts & Nuts)