BAL 29020B 1，000 lb. Topwind Trailer Tongue Jack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Corrosion-protected， high strength tubing</li><li>Precision metal gears are molded， heat treated， and constructed with coper alloy</li><li>High performance bearings</li><li>Internal screw is coated from top to bottom with a specially formulated lubricant that provides increased protection against wear and corrosion</li><li>14" stroke / 1-7/8" outer diameter post</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31FbcGNe0iL.jpg" noproxy>