Product advantage：
1.Surface spray treatment, more corrosion resistance.
2.Stable metal structure, strong strength.
3.Universal mounting flange.
4.3/8 "Stud application （Not included）
5.Convenient installation, simple operation.
6.Worm structure to prevent the slide.
7.Two specifications：1000 LBS and 2000 LBS
8.Fits to 2.25" mounting holes
9.All metal gears
10.E-Z Grip Rotating Handle
11.Circular footpad included
