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.• Operation Type: Manual• Capacity: 7000 Pound• Maximum Lift: 15 Inch• Mounting Type: Weld-On• Type: Round Topwind• Number Of Wheels: Without Wheel• Color/ Finish: Gray Painted• Swivel: Yes• Retracted Height: 15.8 Inch• Extended Height: 30.8 Inch• Clearance: 4-1/4 Inch• Material: Steel Proven Reliability For Long Term Use At Rated Loads Precision Fitted Parts For Extra Stability | Trailer Tongue Jack, Manual Round Topwind Swivel Jack in Grey