RV camper Aluminum Stack camper jacks

1.6, 000 pounds load rating
2. Screw extends from 11\" to 17\".
3. Textured Finish, No Sharp Edges
4.Made of Aluminum Die Cast
5. Extra heavy duty steel swivel top
6. Base to top-of-swivel position is 11\" high
7. Heavy-duty, non-corrosive cast aluminum base.
8. Get secure and level RV positioning and stability.
9. Jacks come complete with fully adjustable handles
10. Stackable units take up minimal storage space
11. These stacking camper jacks measure approximately 8 3/4\" x 6 1/4\"

Screw
Extends from 11\" to 17\".
Measure
Approximately 8 3/4\" x 6 1/4\"
Material
Rust free high alloy construction
Processing method
 Aluminum Die Cast
Use
For stabilizing, not for lifting, and not for full vehicle support 
Surface
Textured finish for no sharp edges
Handle
Permanent handle with each jack
Specification
Different specifications for your option.
Get secure and level RV positioning and stability. 
Stackable units take up minimal storage space. 
Extra heavy duty steel swivel top. Base to top-of-swivel position is 11\" high.  Jacks come complete with fully adjustable handles. It is easy to set up and adjust.