CURT 28202 A-Frame Trailer Jack, 3,000 lbs. Support Capacity, 14-3/4 Inches Vertical Travel. Made with quality to promote the life and function of your trailer, Designed specifically for A-frame trailers. They can be bolted or welded directly onto the trailer frame. A-frame jacks are made to retract completely to ensure enough clearance for safe travel. Support capacity of 3,000 lbs., a lift capacity of 2,000 lbs., a travel of 15" and a top-wind handle.