Square2Box is here for you! We value your business and look forward to answering any questions you may have. Our customer service reps are available Monday through Friday to assist. This 20 Ton Air & Manual Pneumatic Hydraulic Bottle Jack is designed for vertical lifting applications in automotive repair shops, industrial use, loading docks, factories, and more. This Air/Hydraulic Bottle Jack can be used manually or pneumatically and allows for use anywhere whether there is an air supply or not. Min Height/Max Height: 10-1/4" to 20". Easily Handles Lift Jobs Up to 20 Tons. ...