Dual wheel swing back boat trailer jack

Swing-back bolt-on trailer jack easily raises and lowers any trailer up-to a 3/4 ton (1,500 lb) capacity Adjustable height from 11-3/4" to 24-3/4"; Painted with Zinc, which is corrosion resistant Convenient wind handle delivers fast, smooth cranking Equipped with (2) sturdy 6" wheels that provide low-friction mobility, allowing you to move your trailer into position easily