The jack can be used in two operations: air or hydraulic
Heat treated extension screw allows low pickup height adjustment and maximum lift height.
High-quality air pump for longer lift.
The hardered, machined and polished ram and plunger allows for smooth operation.
A wide base provides stability and strength.
Welcome to consult the hydraulic air bottle jacks website: https://www.mingruitools.com/product/hydraulic-air-bottle-jack/ for detailed information