http://www.liftpand.com/hydraulic-bottle-jack.html Hydraulic Bottle Jack This bottle jack is in simple structure, convenient operation, small size, light weight and easy to repair. It is widely used in the lifting operations of the factory's annual warehouse, bridge, dock, transportation and construction engineering departments. This product can only be used upright, its working environment temperature is -20 degrees Celsius to +45 degrees Celsius. It should not be used in acid and alkali and corrosive gases.