The height of the floor jack post can be adjusted by M22 nut and screws.
The bottom end plate must be installed on a cement floor or base.
Specification:
Material: Steel
Color: zinc-colored
Adjustment Range: 19"-36"
Height Capacity(each): 2 tonnes (4400 lbs)
Base Plate Dimension: 5" x 5" x 0.20"
Top Plate Dimension: 4" x 4""x 0.28"
Thread: M22
Pins: 16
Package Content:
4 x floor jacks
16 x pins
NOTE: Once loaded, if you want to drive the load upwards, the jack posts can be difficult to adjust. We suggest to adjust the screw pole to your ideal height before loading.