Adjustable Support Jack for The Floor,Post Floor Joist Jacks,Mini Screw Jack- Post 10\ to 13\
- ...ncrete slab under the area you wish to support.
- Bolt down the mounting holes on base plates to supporting bricks to ensure secure positioning and use the turning bar to extend the height of the house floor jack.
- Always grease threads before use (grease not included).
- VARIETY OF USES: Temporarily secure a weak floor, crawl space, heavy loading area, stairs, or roof trusses with these adjustable floor jacks.
- Use as basement support posts, ceiling jacks, crawl space support jacks, or screw jacks home leveling post floor jack.
- Not designed for use as permanent supports.