Fulton Solo-Hitch Trailer Hitch and Alignment ToolThis Fulton Hitch and Trailer Alignment tool is a convenient one person hitch alignment system that's easy to use.Features: Magnetic base for fast and easy location; Telescoping rods adjust up to 42"; Limited 1 year warranty; How to Use Fulton's Hitch and Trailer Alignment Tool Set height of the telescoping rods with your trailer in the hitched position.; Set one on the coupler and the other on the hitch ball shank.; Mark the position of the rod extensions.; When re-hitching, place each Solo-Hitch on the coupler and hitch ball shank. Adjust to marked position.; Slowly back vehicle toward trailer until the balls meet.; You're ready to hitch!;