1,200 lbs. capacity,sidewind crank, total 10" adjustment,bolt-on swivel trailer jack,zinc coated with 6" poly wheel. Marine boat Jacks:these jacsk offer a capacity of 1,000lbs,1,200 and 1,500lbs.or name it marine jack,swing-way jack,6" orr 8" wheel for choice.Spec.capacity: 1200lbslift travel: 10"bracket height:12.70"retracted height: 23.20"Finished: zinc platedN.w: 6.85kgpacking: 100pc per crate ...