Trailer Jack 1.structure:Push Button,DC12 Motor,Powder Coating,A-frame plate 2.Effortless Lift and so on. More information on the trailer jack: 1.Push button:Simply push the button to quickly raise with complete control 2.DC 12 Motor:Able to be used under the most adverse weather conditions 3.Powder coated:Finished with quality for rust resistance in outdoor environment 4.Side Mounting Plate 5. ...