Bulldog Weld-on Swivel Jack, 2,000 LBS Weld-On Jack, Sidewind, 10" Travel, Weld-On "L" Bend Swivel Bracket, 2,000 lbs. Lift Capacity (Includes Base) BULLDOG round jacks are recognized as the industry standard by leading agricultural, commercial, horse, livestock, and other trailer manufacturers. For more than three quarters of a century, BULLDOG jacks have been demonstrated to be the most reliable, field-proven jacks on the market. Smooth, comfortable, ergonomic designDependable vertical and side load capacityProven reliability for long term use at rated loadsPrecision fitted parts for extra stabilityA-Frame models listed have grey painted outer and inner tubes