Overview Reviews Product Description Heavy duty 4" square tube "weld-on" constructionDrop leg has 5 position holes and adjusts 13" in addition to liftFeatures grease fittings for lubrication of mechanismBlack enamel painted finishBoth units have a lift of 12-1/2" Dynaline Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Dynaline Side Wind Square Tube Jack 12.5" Lift @ 10,000 lbs. 11490 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *