Offering a large saving over buying the components individually this Krontec air jack package consists of everything needed to operate air jacks on a car. The trolley makes it easy to move to the car when required.Includes everything needed to raise and lower air jacksLightweight and portableCompact design for easy storage and transportThe kit consists of: 15litre compressed air bottle (LL-82), trolley (LL-89), pressure regulator (LL-85), 2m long hydraulic hose (LL-86), 360 degree swivelling joint (LL-80) and easy push air lance (LL-03).Please note: All bottles are supplied with manufacturers certification for servicing and refilling requirements. Typically these bottles require servicing every 3 years from the date of manufacture stamped on the bottle. Adhering to these guidelines will ensure your bottles are suitable for use when required. We recommend talking to your local dive centre where your bottles can be correctly serviced within the guidelines required.