Trailer Jack 1,500-5000 Lbs jacks 2,Travel 10" loading jack 3,Black powder, Zinc plated jacks 4,Type: Footplate, Wheel Trailer Jack1,Capacity: 500-5000 Lbs Trailer jacks 2,Travel: 10"3,Coating: Black powder, Zinc plated trailer loading jacks4, Footplate, Wheel type jacks for boat trailer5. Good quality trailer jacks with reasonable price and fast deliver High Quality Trailer Jacks