Feature(may vary by option.)

●【AUXILIARY SUPPORT】House floor jacks can provide temporary or additional support during construction and maintenance, for leveling and stabilizing floor beams and joists. Use an adjustable floor jack to temporarily secure weak floors, crawl spaces, heavy-duty areas, porches, decks, stairs or roof trusses.
●【SPECIFICATIONS】Range of adjustment: 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"; M22 thread;16 pins
●【HIGH QUALITY】This adjustable support jack is made of heavy-duty steel with painted surface, making it more sturdy, resistant, and long-lasting.
●【ADJUSTABLE INSTALLATION】Simply keep the base plate stationary, rotate the top plate to the desired height and simply use a spanner to fix the nut.
●【SAFETY】The floor jack is fully adjustable and features a safety locking M22 screw and pins for added strength and safety.

[2 pack_Grey]

[1 pack_Grey]

[4 pack_Grey]

[4 pack_Black]

[2 pack_Black]

Description

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.