The Trailer Jack adjustable lift range provides easy hitching and unhitching of a loaded trailer. Use for a wide variety of lifting, leveling, and adjustment applications. Ideal for industrial, utility, construction, or agricultural equipment trailers. Heavy-duty construction. Available with a side or top crank position. Mounting bracket attaches in a variety of ways in order to meet your application needs. Scissor jacks provide stability and leveling to unattached trailers and equipment.