Looking for Answers about Torin Air/Hydraulic Bottle Jack - 20-Ton, Model# TA92006?

This Torin Air/Hydraulic Jack handles extra-heavy-duty applications, including bridge construction, renovation, house moving, and hydraulic presses. Manual function allows for normal operation anywhere, even without an air supply. Recommended air supply 115-175 PSI. Meets or exceeds ASME/ANSI-PALD standards. Lift Capacity (tons): 20, Min. Lift Height (in.): 10 3/16, Max. Lift Height (in.): 19 7/8, Ram Travel (in.): 6 11/16, Screw Top Adjustment (in.): 3 1/8, Operation: Air, manual, Handle Included: No, Dimensions L x W x H (in.): 4 1/4 x 8 1/8 x 10 3/8 Designed for operating either manually or pneumatically Heavy-duty steel construction Air hose can swivel in any direction Fitted with safety valve to prevent overloading Two-piece handle allows for easy pumping Extension screw gives added height when necessary Double spring return Min. height: 10 3/16in. Max. height: 19 7/8in. Available air pressure: 80 PSI to 120PSI 20 ton lifting capacity 3.15in. extension screw