The height of the floor jack post can be adjusted by screws, and the post is fixed at the required height through a series of pins.
The bottom end plate must be installed on a cement floor or cement base.
Specification:
Material: Steel
Color: Black
Adjustment Range: 11.8"-16"
Height Capacity(each): 9920 lbs to 6860 lbs(3-4.5 ton)
Base Plate Dimension: 5" x 5" x 0.19"
Top Plate Dimension: 4" x 4" x 0.27"
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 be adjusted. We suggest to adjust the screw pole to your ideal height before loading.