Bolt-On Jack, Topwind, 10" Travel, Bolt-On Swivel Bracket, - 2,000 lbs. Lift Capacity Bulldog round jacks are recognized as the industry standard by leading agricultrual, commercial, horse, livestock, and other trailer manufacturers. For more than three quarters of a centruy, Bulldog jacks have been demonstrated to be the most reliable, field-proven jacks on the market.Features: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 - All other models have grey painted outer and clear zinc inner tubes